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Finding the Third Proportional to 220,868 and 344,424

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Solution

The third proportional to 220,868 and 344,424 is: 537,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,868 : 344,424 = 344,424 : x
  2. Step 2: Convert to fraction form
    220,868/344,424 = 344,424/x
  3. Step 3: Cross multiply
    220,868x = 344,424 × 344,424
  4. Step 4: Simplify right side
    220,868x = 118,627,891,776
  5. Step 5: Solve for x
    x = 118,627,891,776/220,868
  6. Step 6: Final answer
    x = 537,098.59

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.