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Finding the Third Proportional to 124,413 and 268,266

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Solution

The third proportional to 124,413 and 268,266 is: 578,449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,413 : 268,266 = 268,266 : x
  2. Step 2: Convert to fraction form
    124,413/268,266 = 268,266/x
  3. Step 3: Cross multiply
    124,413x = 268,266 × 268,266
  4. Step 4: Simplify right side
    124,413x = 71,966,646,756
  5. Step 5: Solve for x
    x = 71,966,646,756/124,413
  6. Step 6: Final answer
    x = 578,449.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.