Home / 140,625-217,802.50

Finding the Third Proportional to 140,625 and 217,802.50

Calculator

Solution

The third proportional to 140,625 and 217,802.50 is: 337,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,625 : 217,802.50 = 217,802.50 : x
  2. Step 2: Convert to fraction form
    140,625/217,802.50 = 217,802.50/x
  3. Step 3: Cross multiply
    140,625x = 217,802.50 × 217,802.50
  4. Step 4: Simplify right side
    140,625x = 47,437,929,006.25
  5. Step 5: Solve for x
    x = 47,437,929,006.25/140,625
  6. Step 6: Final answer
    x = 337,336.38

Related Problems

Find third proportional to 70,312.50 and 108,901.25
Half scale
Find third proportional to 281,250 and 435,605
Double scale
Find third proportional to 140,627 and 217,806
Similar ratio
Find third proportional to 210,937.50 and 326,703.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.