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Finding the Third Proportional to 99,306 and 153,387

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Solution

The third proportional to 99,306 and 153,387 is: 236,919.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,306 : 153,387 = 153,387 : x
  2. Step 2: Convert to fraction form
    99,306/153,387 = 153,387/x
  3. Step 3: Cross multiply
    99,306x = 153,387 × 153,387
  4. Step 4: Simplify right side
    99,306x = 23,527,571,769
  5. Step 5: Solve for x
    x = 23,527,571,769/99,306
  6. Step 6: Final answer
    x = 236,919.94

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.