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Finding the Third Proportional to 61,074 and 132,590

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Solution

The third proportional to 61,074 and 132,590 is: 287,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,074 : 132,590 = 132,590 : x
  2. Step 2: Convert to fraction form
    61,074/132,590 = 132,590/x
  3. Step 3: Cross multiply
    61,074x = 132,590 × 132,590
  4. Step 4: Simplify right side
    61,074x = 17,580,108,100
  5. Step 5: Solve for x
    x = 17,580,108,100/61,074
  6. Step 6: Final answer
    x = 287,849.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.