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Finding the Third Proportional to 410,418 and 877,579

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Solution

The third proportional to 410,418 and 877,579 is: 1,876,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,418 : 877,579 = 877,579 : x
  2. Step 2: Convert to fraction form
    410,418/877,579 = 877,579/x
  3. Step 3: Cross multiply
    410,418x = 877,579 × 877,579
  4. Step 4: Simplify right side
    410,418x = 770,144,901,241
  5. Step 5: Solve for x
    x = 770,144,901,241/410,418
  6. Step 6: Final answer
    x = 1,876,489.09

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.