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Finding the Third Proportional to 41,388.50 and 63,417

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Solution

The third proportional to 41,388.50 and 63,417 is: 97,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,388.50 : 63,417 = 63,417 : x
  2. Step 2: Convert to fraction form
    41,388.50/63,417 = 63,417/x
  3. Step 3: Cross multiply
    41,388.50x = 63,417 × 63,417
  4. Step 4: Simplify right side
    41,388.50x = 4,021,715,889
  5. Step 5: Solve for x
    x = 4,021,715,889/41,388.50
  6. Step 6: Final answer
    x = 97,169.89

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.