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Finding the Third Proportional to 155,495 and 247,544

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Solution

The third proportional to 155,495 and 247,544 is: 394,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,495 : 247,544 = 247,544 : x
  2. Step 2: Convert to fraction form
    155,495/247,544 = 247,544/x
  3. Step 3: Cross multiply
    155,495x = 247,544 × 247,544
  4. Step 4: Simplify right side
    155,495x = 61,278,031,936
  5. Step 5: Solve for x
    x = 61,278,031,936/155,495
  6. Step 6: Final answer
    x = 394,083.62

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.