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Finding the Third Proportional to 63,315 and 100,257.75

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Solution

The third proportional to 63,315 and 100,257.75 is: 158,755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,315 : 100,257.75 = 100,257.75 : x
  2. Step 2: Convert to fraction form
    63,315/100,257.75 = 100,257.75/x
  3. Step 3: Cross multiply
    63,315x = 100,257.75 × 100,257.75
  4. Step 4: Simplify right side
    63,315x = 10,051,616,435.06
  5. Step 5: Solve for x
    x = 10,051,616,435.06/63,315
  6. Step 6: Final answer
    x = 158,755.69

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.