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Finding the Third Proportional to 684,932 and 1,486,579

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Solution

The third proportional to 684,932 and 1,486,579 is: 3,226,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,932 : 1,486,579 = 1,486,579 : x
  2. Step 2: Convert to fraction form
    684,932/1,486,579 = 1,486,579/x
  3. Step 3: Cross multiply
    684,932x = 1,486,579 × 1,486,579
  4. Step 4: Simplify right side
    684,932x = 2,209,917,123,241
  5. Step 5: Solve for x
    x = 2,209,917,123,241/684,932
  6. Step 6: Final answer
    x = 3,226,476.68

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.