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Finding the Third Proportional to 61,578 and 132,998

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Solution

The third proportional to 61,578 and 132,998 is: 287,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,578 : 132,998 = 132,998 : x
  2. Step 2: Convert to fraction form
    61,578/132,998 = 132,998/x
  3. Step 3: Cross multiply
    61,578x = 132,998 × 132,998
  4. Step 4: Simplify right side
    61,578x = 17,688,468,004
  5. Step 5: Solve for x
    x = 17,688,468,004/61,578
  6. Step 6: Final answer
    x = 287,253.04

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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.