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Finding the Third Proportional to 220,713 and 349,727

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Solution

The third proportional to 220,713 and 349,727 is: 554,153.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,713 : 349,727 = 349,727 : x
  2. Step 2: Convert to fraction form
    220,713/349,727 = 349,727/x
  3. Step 3: Cross multiply
    220,713x = 349,727 × 349,727
  4. Step 4: Simplify right side
    220,713x = 122,308,974,529
  5. Step 5: Solve for x
    x = 122,308,974,529/220,713
  6. Step 6: Final answer
    x = 554,153.92

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.