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Finding the Third Proportional to 124,388 and 268,424

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Solution

The third proportional to 124,388 and 268,424 is: 579,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,388 : 268,424 = 268,424 : x
  2. Step 2: Convert to fraction form
    124,388/268,424 = 268,424/x
  3. Step 3: Cross multiply
    124,388x = 268,424 × 268,424
  4. Step 4: Simplify right side
    124,388x = 72,051,443,776
  5. Step 5: Solve for x
    x = 72,051,443,776/124,388
  6. Step 6: Final answer
    x = 579,247.55

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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.