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Finding the Third Proportional to 61,478 and 134,532

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Solution

The third proportional to 61,478 and 134,532 is: 294,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,478 : 134,532 = 134,532 : x
  2. Step 2: Convert to fraction form
    61,478/134,532 = 134,532/x
  3. Step 3: Cross multiply
    61,478x = 134,532 × 134,532
  4. Step 4: Simplify right side
    61,478x = 18,098,859,024
  5. Step 5: Solve for x
    x = 18,098,859,024/61,478
  6. Step 6: Final answer
    x = 294,395.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.