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Finding the Third Proportional to 54,432 and 84,098.25

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Solution

The third proportional to 54,432 and 84,098.25 is: 129,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432 : 84,098.25 = 84,098.25 : x
  2. Step 2: Convert to fraction form
    54,432/84,098.25 = 84,098.25/x
  3. Step 3: Cross multiply
    54,432x = 84,098.25 × 84,098.25
  4. Step 4: Simplify right side
    54,432x = 7,072,515,653.06
  5. Step 5: Solve for x
    x = 7,072,515,653.06/54,432
  6. Step 6: Final answer
    x = 129,933.05

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.