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Finding the Third Proportional to 513,131 and 804,931

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Solution

The third proportional to 513,131 and 804,931 is: 1,262,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,131 : 804,931 = 804,931 : x
  2. Step 2: Convert to fraction form
    513,131/804,931 = 804,931/x
  3. Step 3: Cross multiply
    513,131x = 804,931 × 804,931
  4. Step 4: Simplify right side
    513,131x = 647,913,914,761
  5. Step 5: Solve for x
    x = 647,913,914,761/513,131
  6. Step 6: Final answer
    x = 1,262,667.65

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.