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Finding the Third Proportional to 124,406 and 268,460

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Solution

The third proportional to 124,406 and 268,460 is: 579,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,406 : 268,460 = 268,460 : x
  2. Step 2: Convert to fraction form
    124,406/268,460 = 268,460/x
  3. Step 3: Cross multiply
    124,406x = 268,460 × 268,460
  4. Step 4: Simplify right side
    124,406x = 72,070,771,600
  5. Step 5: Solve for x
    x = 72,070,771,600/124,406
  6. Step 6: Final answer
    x = 579,319.10

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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.