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Finding the Third Proportional to 29,222 and 47,476

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Solution

The third proportional to 29,222 and 47,476 is: 77,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,222 : 47,476 = 47,476 : x
  2. Step 2: Convert to fraction form
    29,222/47,476 = 47,476/x
  3. Step 3: Cross multiply
    29,222x = 47,476 × 47,476
  4. Step 4: Simplify right side
    29,222x = 2,253,970,576
  5. Step 5: Solve for x
    x = 2,253,970,576/29,222
  6. Step 6: Final answer
    x = 77,132.66

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.