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Finding the Third Proportional to 40,866 and 63,720.75

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Solution

The third proportional to 40,866 and 63,720.75 is: 99,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,866 : 63,720.75 = 63,720.75 : x
  2. Step 2: Convert to fraction form
    40,866/63,720.75 = 63,720.75/x
  3. Step 3: Cross multiply
    40,866x = 63,720.75 × 63,720.75
  4. Step 4: Simplify right side
    40,866x = 4,060,333,980.56
  5. Step 5: Solve for x
    x = 4,060,333,980.56/40,866
  6. Step 6: Final answer
    x = 99,357.26

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.