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Finding the Third Proportional to 43,222 and 63,291

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Solution

The third proportional to 43,222 and 63,291 is: 92,678.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,222 : 63,291 = 63,291 : x
  2. Step 2: Convert to fraction form
    43,222/63,291 = 63,291/x
  3. Step 3: Cross multiply
    43,222x = 63,291 × 63,291
  4. Step 4: Simplify right side
    43,222x = 4,005,750,681
  5. Step 5: Solve for x
    x = 4,005,750,681/43,222
  6. Step 6: Final answer
    x = 92,678.51

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.