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Finding the Third Proportional to 74,387 and 104,044.50

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Solution

The third proportional to 74,387 and 104,044.50 is: 145,526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,387 : 104,044.50 = 104,044.50 : x
  2. Step 2: Convert to fraction form
    74,387/104,044.50 = 104,044.50/x
  3. Step 3: Cross multiply
    74,387x = 104,044.50 × 104,044.50
  4. Step 4: Simplify right side
    74,387x = 10,825,257,980.25
  5. Step 5: Solve for x
    x = 10,825,257,980.25/74,387
  6. Step 6: Final answer
    x = 145,526.21

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.