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Finding the Third Proportional to 270,466 and 577,118

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Solution

The third proportional to 270,466 and 577,118 is: 1,231,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,466 : 577,118 = 577,118 : x
  2. Step 2: Convert to fraction form
    270,466/577,118 = 577,118/x
  3. Step 3: Cross multiply
    270,466x = 577,118 × 577,118
  4. Step 4: Simplify right side
    270,466x = 333,065,185,924
  5. Step 5: Solve for x
    x = 333,065,185,924/270,466
  6. Step 6: Final answer
    x = 1,231,449.37

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.