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Finding the Third Proportional to 15,642 and 24,272

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Solution

The third proportional to 15,642 and 24,272 is: 37,663.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642 : 24,272 = 24,272 : x
  2. Step 2: Convert to fraction form
    15,642/24,272 = 24,272/x
  3. Step 3: Cross multiply
    15,642x = 24,272 × 24,272
  4. Step 4: Simplify right side
    15,642x = 589,129,984
  5. Step 5: Solve for x
    x = 589,129,984/15,642
  6. Step 6: Final answer
    x = 37,663.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.