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Finding the Third Proportional to 15,472 and 32,040

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Solution

The third proportional to 15,472 and 32,040 is: 66,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472 : 32,040 = 32,040 : x
  2. Step 2: Convert to fraction form
    15,472/32,040 = 32,040/x
  3. Step 3: Cross multiply
    15,472x = 32,040 × 32,040
  4. Step 4: Simplify right side
    15,472x = 1,026,561,600
  5. Step 5: Solve for x
    x = 1,026,561,600/15,472
  6. Step 6: Final answer
    x = 66,349.64

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.