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Finding the Third Proportional to 631,080 and 1,358,387

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Solution

The third proportional to 631,080 and 1,358,387 is: 2,923,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,080 : 1,358,387 = 1,358,387 : x
  2. Step 2: Convert to fraction form
    631,080/1,358,387 = 1,358,387/x
  3. Step 3: Cross multiply
    631,080x = 1,358,387 × 1,358,387
  4. Step 4: Simplify right side
    631,080x = 1,845,215,241,769
  5. Step 5: Solve for x
    x = 1,845,215,241,769/631,080
  6. Step 6: Final answer
    x = 2,923,900.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.