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Finding the Third Proportional to 679,940 and 1,000,118

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Solution

The third proportional to 679,940 and 1,000,118 is: 1,471,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,940 : 1,000,118 = 1,000,118 : x
  2. Step 2: Convert to fraction form
    679,940/1,000,118 = 1,000,118/x
  3. Step 3: Cross multiply
    679,940x = 1,000,118 × 1,000,118
  4. Step 4: Simplify right side
    679,940x = 1,000,236,013,924
  5. Step 5: Solve for x
    x = 1,000,236,013,924/679,940
  6. Step 6: Final answer
    x = 1,471,065.11

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.