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Finding the Third Proportional to 45,718 and 99,750

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Solution

The third proportional to 45,718 and 99,750 is: 217,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,718 : 99,750 = 99,750 : x
  2. Step 2: Convert to fraction form
    45,718/99,750 = 99,750/x
  3. Step 3: Cross multiply
    45,718x = 99,750 × 99,750
  4. Step 4: Simplify right side
    45,718x = 9,950,062,500
  5. Step 5: Solve for x
    x = 9,950,062,500/45,718
  6. Step 6: Final answer
    x = 217,639.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.