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Finding the Third Proportional to 351,972 and 747,576

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Solution

The third proportional to 351,972 and 747,576 is: 1,587,824.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,972 : 747,576 = 747,576 : x
  2. Step 2: Convert to fraction form
    351,972/747,576 = 747,576/x
  3. Step 3: Cross multiply
    351,972x = 747,576 × 747,576
  4. Step 4: Simplify right side
    351,972x = 558,869,875,776
  5. Step 5: Solve for x
    x = 558,869,875,776/351,972
  6. Step 6: Final answer
    x = 1,587,824.81

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.