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Finding the Third Proportional to 579,666 and 891,099

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Solution

The third proportional to 579,666 and 891,099 is: 1,369,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,666 : 891,099 = 891,099 : x
  2. Step 2: Convert to fraction form
    579,666/891,099 = 891,099/x
  3. Step 3: Cross multiply
    579,666x = 891,099 × 891,099
  4. Step 4: Simplify right side
    579,666x = 794,057,427,801
  5. Step 5: Solve for x
    x = 794,057,427,801/579,666
  6. Step 6: Final answer
    x = 1,369,853.38

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.