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Finding the Third Proportional to 574,389 and 804,911

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Solution

The third proportional to 574,389 and 804,911 is: 1,127,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,389 : 804,911 = 804,911 : x
  2. Step 2: Convert to fraction form
    574,389/804,911 = 804,911/x
  3. Step 3: Cross multiply
    574,389x = 804,911 × 804,911
  4. Step 4: Simplify right side
    574,389x = 647,881,717,921
  5. Step 5: Solve for x
    x = 647,881,717,921/574,389
  6. Step 6: Final answer
    x = 1,127,949.38

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.