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Finding the Third Proportional to 43,864 and 63,487

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Solution

The third proportional to 43,864 and 63,487 is: 91,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,864 : 63,487 = 63,487 : x
  2. Step 2: Convert to fraction form
    43,864/63,487 = 63,487/x
  3. Step 3: Cross multiply
    43,864x = 63,487 × 63,487
  4. Step 4: Simplify right side
    43,864x = 4,030,599,169
  5. Step 5: Solve for x
    x = 4,030,599,169/43,864
  6. Step 6: Final answer
    x = 91,888.55

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.