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Finding the Third Proportional to 66,577.78 and 93,646.13

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Solution

The third proportional to 66,577.78 and 93,646.13 is: 131,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,577.78 : 93,646.13 = 93,646.13 : x
  2. Step 2: Convert to fraction form
    66,577.78/93,646.13 = 93,646.13/x
  3. Step 3: Cross multiply
    66,577.78x = 93,646.13 × 93,646.13
  4. Step 4: Simplify right side
    66,577.78x = 8,769,596,727.52
  5. Step 5: Solve for x
    x = 8,769,596,727.52/66,577.78
  6. Step 6: Final answer
    x = 131,719.57

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.