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Finding the Third Proportional to 12,656 and 29,560

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Solution

The third proportional to 12,656 and 29,560 is: 69,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656 : 29,560 = 29,560 : x
  2. Step 2: Convert to fraction form
    12,656/29,560 = 29,560/x
  3. Step 3: Cross multiply
    12,656x = 29,560 × 29,560
  4. Step 4: Simplify right side
    12,656x = 873,793,600
  5. Step 5: Solve for x
    x = 873,793,600/12,656
  6. Step 6: Final answer
    x = 69,041.85

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.