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Finding the Third Proportional to 840,320 and 1,270,481

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Solution

The third proportional to 840,320 and 1,270,481 is: 1,920,842.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,320 : 1,270,481 = 1,270,481 : x
  2. Step 2: Convert to fraction form
    840,320/1,270,481 = 1,270,481/x
  3. Step 3: Cross multiply
    840,320x = 1,270,481 × 1,270,481
  4. Step 4: Simplify right side
    840,320x = 1,614,121,971,361
  5. Step 5: Solve for x
    x = 1,614,121,971,361/840,320
  6. Step 6: Final answer
    x = 1,920,842.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.