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Finding the Third Proportional to 61,072 and 132,586

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Solution

The third proportional to 61,072 and 132,586 is: 287,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,072 : 132,586 = 132,586 : x
  2. Step 2: Convert to fraction form
    61,072/132,586 = 132,586/x
  3. Step 3: Cross multiply
    61,072x = 132,586 × 132,586
  4. Step 4: Simplify right side
    61,072x = 17,579,047,396
  5. Step 5: Solve for x
    x = 17,579,047,396/61,072
  6. Step 6: Final answer
    x = 287,841.36

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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.