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Finding the Third Proportional to 1,159,979 and 2,555,506

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Solution

The third proportional to 1,159,979 and 2,555,506 is: 5,629,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,979 : 2,555,506 = 2,555,506 : x
  2. Step 2: Convert to fraction form
    1,159,979/2,555,506 = 2,555,506/x
  3. Step 3: Cross multiply
    1,159,979x = 2,555,506 × 2,555,506
  4. Step 4: Simplify right side
    1,159,979x = 6,530,610,916,036
  5. Step 5: Solve for x
    x = 6,530,610,916,036/1,159,979
  6. Step 6: Final answer
    x = 5,629,938.92

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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.