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Finding the Third Proportional to 29,421 and 43,560

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Solution

The third proportional to 29,421 and 43,560 is: 64,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421 : 43,560 = 43,560 : x
  2. Step 2: Convert to fraction form
    29,421/43,560 = 43,560/x
  3. Step 3: Cross multiply
    29,421x = 43,560 × 43,560
  4. Step 4: Simplify right side
    29,421x = 1,897,473,600
  5. Step 5: Solve for x
    x = 1,897,473,600/29,421
  6. Step 6: Final answer
    x = 64,493.85

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.