Home / 389,376-569,281.50

Finding the Third Proportional to 389,376 and 569,281.50

Calculator

Solution

The third proportional to 389,376 and 569,281.50 is: 832,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,376 : 569,281.50 = 569,281.50 : x
  2. Step 2: Convert to fraction form
    389,376/569,281.50 = 569,281.50/x
  3. Step 3: Cross multiply
    389,376x = 569,281.50 × 569,281.50
  4. Step 4: Simplify right side
    389,376x = 324,081,426,242.25
  5. Step 5: Solve for x
    x = 324,081,426,242.25/389,376
  6. Step 6: Final answer
    x = 832,309.71

Related Problems

Find third proportional to 194,688 and 284,640.75
Half scale
Find third proportional to 778,752 and 1,138,563
Double scale
Find third proportional to 389,378 and 569,284
Similar ratio
Find third proportional to 584,064 and 853,922.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.