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Finding the Third Proportional to 466,626 and 721,806

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Solution

The third proportional to 466,626 and 721,806 is: 1,116,534.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,626 : 721,806 = 721,806 : x
  2. Step 2: Convert to fraction form
    466,626/721,806 = 721,806/x
  3. Step 3: Cross multiply
    466,626x = 721,806 × 721,806
  4. Step 4: Simplify right side
    466,626x = 521,003,901,636
  5. Step 5: Solve for x
    x = 521,003,901,636/466,626
  6. Step 6: Final answer
    x = 1,116,534.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.