Home / 312,284,570-685,863,732

Finding the Third Proportional to 312,284,570 and 685,863,732

Calculator

Solution

The third proportional to 312,284,570 and 685,863,732 is: 1,506,347,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,284,570 : 685,863,732 = 685,863,732 : x
  2. Step 2: Convert to fraction form
    312,284,570/685,863,732 = 685,863,732/x
  3. Step 3: Cross multiply
    312,284,570x = 685,863,732 × 685,863,732
  4. Step 4: Simplify right side
    312,284,570x = 470,409,058,872,967,808
  5. Step 5: Solve for x
    x = 470,409,058,872,967,808/312,284,570
  6. Step 6: Final answer
    x = 1,506,347,428.16

Related Problems

Find third proportional to 156,142,285 and 342,931,866
Half scale
Find third proportional to 624,569,140 and 1,371,727,464
Double scale
Find third proportional to 312,284,572 and 685,863,736
Similar ratio
Find third proportional to 468,426,855 and 1,028,795,598
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.