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Finding the Third Proportional to 20,607 and 39,572.25

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Solution

The third proportional to 20,607 and 39,572.25 is: 75,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607 : 39,572.25 = 39,572.25 : x
  2. Step 2: Convert to fraction form
    20,607/39,572.25 = 39,572.25/x
  3. Step 3: Cross multiply
    20,607x = 39,572.25 × 39,572.25
  4. Step 4: Simplify right side
    20,607x = 1,565,962,970.06
  5. Step 5: Solve for x
    x = 1,565,962,970.06/20,607
  6. Step 6: Final answer
    x = 75,991.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.