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Finding the Third Proportional to 715,266 and 1,080,189

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Solution

The third proportional to 715,266 and 1,080,189 is: 1,631,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,266 : 1,080,189 = 1,080,189 : x
  2. Step 2: Convert to fraction form
    715,266/1,080,189 = 1,080,189/x
  3. Step 3: Cross multiply
    715,266x = 1,080,189 × 1,080,189
  4. Step 4: Simplify right side
    715,266x = 1,166,808,275,721
  5. Step 5: Solve for x
    x = 1,166,808,275,721/715,266
  6. Step 6: Final answer
    x = 1,631,292.80

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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.