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Finding the Third Proportional to 103,432 and 157,248

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Solution

The third proportional to 103,432 and 157,248 is: 239,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,432 : 157,248 = 157,248 : x
  2. Step 2: Convert to fraction form
    103,432/157,248 = 157,248/x
  3. Step 3: Cross multiply
    103,432x = 157,248 × 157,248
  4. Step 4: Simplify right side
    103,432x = 24,726,933,504
  5. Step 5: Solve for x
    x = 24,726,933,504/103,432
  6. Step 6: Final answer
    x = 239,064.64

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.