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Finding the Third Proportional to 56,996 and 124,478

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Solution

The third proportional to 56,996 and 124,478 is: 271,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,996 : 124,478 = 124,478 : x
  2. Step 2: Convert to fraction form
    56,996/124,478 = 124,478/x
  3. Step 3: Cross multiply
    56,996x = 124,478 × 124,478
  4. Step 4: Simplify right side
    56,996x = 15,494,772,484
  5. Step 5: Solve for x
    x = 15,494,772,484/56,996
  6. Step 6: Final answer
    x = 271,857.19

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.