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Finding the Third Proportional to 16,220 and 23,439

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Solution

The third proportional to 16,220 and 23,439 is: 33,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220 : 23,439 = 23,439 : x
  2. Step 2: Convert to fraction form
    16,220/23,439 = 23,439/x
  3. Step 3: Cross multiply
    16,220x = 23,439 × 23,439
  4. Step 4: Simplify right side
    16,220x = 549,386,721
  5. Step 5: Solve for x
    x = 549,386,721/16,220
  6. Step 6: Final answer
    x = 33,870.94

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.