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Finding the Third Proportional to 699,645 and 1,080,387

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Solution

The third proportional to 699,645 and 1,080,387 is: 1,668,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,645 : 1,080,387 = 1,080,387 : x
  2. Step 2: Convert to fraction form
    699,645/1,080,387 = 1,080,387/x
  3. Step 3: Cross multiply
    699,645x = 1,080,387 × 1,080,387
  4. Step 4: Simplify right side
    699,645x = 1,167,236,069,769
  5. Step 5: Solve for x
    x = 1,167,236,069,769/699,645
  6. Step 6: Final answer
    x = 1,668,326.18

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.