Home / 205,602-316,426.50

Finding the Third Proportional to 205,602 and 316,426.50

Calculator

Solution

The third proportional to 205,602 and 316,426.50 is: 486,988.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,602 : 316,426.50 = 316,426.50 : x
  2. Step 2: Convert to fraction form
    205,602/316,426.50 = 316,426.50/x
  3. Step 3: Cross multiply
    205,602x = 316,426.50 × 316,426.50
  4. Step 4: Simplify right side
    205,602x = 100,125,729,902.25
  5. Step 5: Solve for x
    x = 100,125,729,902.25/205,602
  6. Step 6: Final answer
    x = 486,988.11

Related Problems

Find third proportional to 102,801 and 158,213.25
Half scale
Find third proportional to 411,204 and 632,853
Double scale
Find third proportional to 205,604 and 316,430
Similar ratio
Find third proportional to 308,403 and 474,639.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.