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Finding the Third Proportional to 168,496 and 253,428

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Solution

The third proportional to 168,496 and 253,428 is: 381,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,496 : 253,428 = 253,428 : x
  2. Step 2: Convert to fraction form
    168,496/253,428 = 253,428/x
  3. Step 3: Cross multiply
    168,496x = 253,428 × 253,428
  4. Step 4: Simplify right side
    168,496x = 64,225,751,184
  5. Step 5: Solve for x
    x = 64,225,751,184/168,496
  6. Step 6: Final answer
    x = 381,170.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.