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Finding the Third Proportional to 29,424 and 45,019.13

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Solution

The third proportional to 29,424 and 45,019.13 is: 68,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,424 : 45,019.13 = 45,019.13 : x
  2. Step 2: Convert to fraction form
    29,424/45,019.13 = 45,019.13/x
  3. Step 3: Cross multiply
    29,424x = 45,019.13 × 45,019.13
  4. Step 4: Simplify right side
    29,424x = 2,026,721,615.77
  5. Step 5: Solve for x
    x = 2,026,721,615.77/29,424
  6. Step 6: Final answer
    x = 68,879.88

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.