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Finding the Third Proportional to 375,919 and 810,521

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Solution

The third proportional to 375,919 and 810,521 is: 1,747,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,919 : 810,521 = 810,521 : x
  2. Step 2: Convert to fraction form
    375,919/810,521 = 810,521/x
  3. Step 3: Cross multiply
    375,919x = 810,521 × 810,521
  4. Step 4: Simplify right side
    375,919x = 656,944,291,441
  5. Step 5: Solve for x
    x = 656,944,291,441/375,919
  6. Step 6: Final answer
    x = 1,747,568.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.