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Finding the Third Proportional to 88,666.31 and 133,089.75

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Solution

The third proportional to 88,666.31 and 133,089.75 is: 199,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,666.31 : 133,089.75 = 133,089.75 : x
  2. Step 2: Convert to fraction form
    88,666.31/133,089.75 = 133,089.75/x
  3. Step 3: Cross multiply
    88,666.31x = 133,089.75 × 133,089.75
  4. Step 4: Simplify right side
    88,666.31x = 17,712,881,555.06
  5. Step 5: Solve for x
    x = 17,712,881,555.06/88,666.31
  6. Step 6: Final answer
    x = 199,770.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.