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Finding the Third Proportional to 715,366 and 1,554,979

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Solution

The third proportional to 715,366 and 1,554,979 is: 3,380,031.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,366 : 1,554,979 = 1,554,979 : x
  2. Step 2: Convert to fraction form
    715,366/1,554,979 = 1,554,979/x
  3. Step 3: Cross multiply
    715,366x = 1,554,979 × 1,554,979
  4. Step 4: Simplify right side
    715,366x = 2,417,959,690,441
  5. Step 5: Solve for x
    x = 2,417,959,690,441/715,366
  6. Step 6: Final answer
    x = 3,380,031.61

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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.