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Finding the Third Proportional to 15,572 and 22,782

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Solution

The third proportional to 15,572 and 22,782 is: 33,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572 : 22,782 = 22,782 : x
  2. Step 2: Convert to fraction form
    15,572/22,782 = 22,782/x
  3. Step 3: Cross multiply
    15,572x = 22,782 × 22,782
  4. Step 4: Simplify right side
    15,572x = 519,019,524
  5. Step 5: Solve for x
    x = 519,019,524/15,572
  6. Step 6: Final answer
    x = 33,330.31

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.