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Finding the Third Proportional to 761,608 and 1,672,681

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Solution

The third proportional to 761,608 and 1,672,681 is: 3,673,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,608 : 1,672,681 = 1,672,681 : x
  2. Step 2: Convert to fraction form
    761,608/1,672,681 = 1,672,681/x
  3. Step 3: Cross multiply
    761,608x = 1,672,681 × 1,672,681
  4. Step 4: Simplify right side
    761,608x = 2,797,861,727,761
  5. Step 5: Solve for x
    x = 2,797,861,727,761/761,608
  6. Step 6: Final answer
    x = 3,673,624.39

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.