Home / 197,030-312,039

Finding the Third Proportional to 197,030 and 312,039

Calculator

Solution

The third proportional to 197,030 and 312,039 is: 494,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,030 : 312,039 = 312,039 : x
  2. Step 2: Convert to fraction form
    197,030/312,039 = 312,039/x
  3. Step 3: Cross multiply
    197,030x = 312,039 × 312,039
  4. Step 4: Simplify right side
    197,030x = 97,368,337,521
  5. Step 5: Solve for x
    x = 97,368,337,521/197,030
  6. Step 6: Final answer
    x = 494,180.26

Related Problems

Find third proportional to 98,515 and 156,019.50
Half scale
Find third proportional to 394,060 and 624,078
Double scale
Find third proportional to 197,032 and 312,042
Similar ratio
Find third proportional to 295,545 and 468,058.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.