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Finding the Third Proportional to 747,672 and 1,644,808

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Solution

The third proportional to 747,672 and 1,644,808 is: 3,618,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,672 : 1,644,808 = 1,644,808 : x
  2. Step 2: Convert to fraction form
    747,672/1,644,808 = 1,644,808/x
  3. Step 3: Cross multiply
    747,672x = 1,644,808 × 1,644,808
  4. Step 4: Simplify right side
    747,672x = 2,705,393,356,864
  5. Step 5: Solve for x
    x = 2,705,393,356,864/747,672
  6. Step 6: Final answer
    x = 3,618,422.73

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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.