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Finding the Third Proportional to 343,482 and 744,139.88

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Solution

The third proportional to 343,482 and 744,139.88 is: 1,612,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,482 : 744,139.88 = 744,139.88 : x
  2. Step 2: Convert to fraction form
    343,482/744,139.88 = 744,139.88/x
  3. Step 3: Cross multiply
    343,482x = 744,139.88 × 744,139.88
  4. Step 4: Simplify right side
    343,482x = 553,744,153,565.02
  5. Step 5: Solve for x
    x = 553,744,153,565.02/343,482
  6. Step 6: Final answer
    x = 1,612,148.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.