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Finding the Third Proportional to 1,317,769 and 2,887,686

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Solution

The third proportional to 1,317,769 and 2,887,686 is: 6,327,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,769 : 2,887,686 = 2,887,686 : x
  2. Step 2: Convert to fraction form
    1,317,769/2,887,686 = 2,887,686/x
  3. Step 3: Cross multiply
    1,317,769x = 2,887,686 × 2,887,686
  4. Step 4: Simplify right side
    1,317,769x = 8,338,730,434,596
  5. Step 5: Solve for x
    x = 8,338,730,434,596/1,317,769
  6. Step 6: Final answer
    x = 6,327,915.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.