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Finding the Third Proportional to 61,360 and 132,385

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Solution

The third proportional to 61,360 and 132,385 is: 285,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,360 : 132,385 = 132,385 : x
  2. Step 2: Convert to fraction form
    61,360/132,385 = 132,385/x
  3. Step 3: Cross multiply
    61,360x = 132,385 × 132,385
  4. Step 4: Simplify right side
    61,360x = 17,525,788,225
  5. Step 5: Solve for x
    x = 17,525,788,225/61,360
  6. Step 6: Final answer
    x = 285,622.36

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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.