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Finding the Third Proportional to 59,078 and 127,432

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Solution

The third proportional to 59,078 and 127,432 is: 274,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,078 : 127,432 = 127,432 : x
  2. Step 2: Convert to fraction form
    59,078/127,432 = 127,432/x
  3. Step 3: Cross multiply
    59,078x = 127,432 × 127,432
  4. Step 4: Simplify right side
    59,078x = 16,238,914,624
  5. Step 5: Solve for x
    x = 16,238,914,624/59,078
  6. Step 6: Final answer
    x = 274,872.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.