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Finding the Third Proportional to 124,418 and 268,476

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Solution

The third proportional to 124,418 and 268,476 is: 579,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,418 : 268,476 = 268,476 : x
  2. Step 2: Convert to fraction form
    124,418/268,476 = 268,476/x
  3. Step 3: Cross multiply
    124,418x = 268,476 × 268,476
  4. Step 4: Simplify right side
    124,418x = 72,079,362,576
  5. Step 5: Solve for x
    x = 72,079,362,576/124,418
  6. Step 6: Final answer
    x = 579,332.27

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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.