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Finding the Third Proportional to 103,532 and 155,138

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Solution

The third proportional to 103,532 and 155,138 is: 232,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,532 : 155,138 = 155,138 : x
  2. Step 2: Convert to fraction form
    103,532/155,138 = 155,138/x
  3. Step 3: Cross multiply
    103,532x = 155,138 × 155,138
  4. Step 4: Simplify right side
    103,532x = 24,067,799,044
  5. Step 5: Solve for x
    x = 24,067,799,044/103,532
  6. Step 6: Final answer
    x = 232,467.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.