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Finding the Third Proportional to 22,439 and 34,724

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Solution

The third proportional to 22,439 and 34,724 is: 53,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439 : 34,724 = 34,724 : x
  2. Step 2: Convert to fraction form
    22,439/34,724 = 34,724/x
  3. Step 3: Cross multiply
    22,439x = 34,724 × 34,724
  4. Step 4: Simplify right side
    22,439x = 1,205,756,176
  5. Step 5: Solve for x
    x = 1,205,756,176/22,439
  6. Step 6: Final answer
    x = 53,734.84

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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.