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Finding the Third Proportional to 155,613 and 240,330

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Solution

The third proportional to 155,613 and 240,330 is: 371,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,613 : 240,330 = 240,330 : x
  2. Step 2: Convert to fraction form
    155,613/240,330 = 240,330/x
  3. Step 3: Cross multiply
    155,613x = 240,330 × 240,330
  4. Step 4: Simplify right side
    155,613x = 57,758,508,900
  5. Step 5: Solve for x
    x = 57,758,508,900/155,613
  6. Step 6: Final answer
    x = 371,167.63

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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.