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Finding the Third Proportional to 27,387 and 43,329.19

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Solution

The third proportional to 27,387 and 43,329.19 is: 68,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,387 : 43,329.19 = 43,329.19 : x
  2. Step 2: Convert to fraction form
    27,387/43,329.19 = 43,329.19/x
  3. Step 3: Cross multiply
    27,387x = 43,329.19 × 43,329.19
  4. Step 4: Simplify right side
    27,387x = 1,877,418,489.41
  5. Step 5: Solve for x
    x = 1,877,418,489.41/27,387
  6. Step 6: Final answer
    x = 68,551.45

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.