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Finding the Third Proportional to 29,100 and 64,644

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Solution

The third proportional to 29,100 and 64,644 is: 143,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,100 : 64,644 = 64,644 : x
  2. Step 2: Convert to fraction form
    29,100/64,644 = 64,644/x
  3. Step 3: Cross multiply
    29,100x = 64,644 × 64,644
  4. Step 4: Simplify right side
    29,100x = 4,178,846,736
  5. Step 5: Solve for x
    x = 4,178,846,736/29,100
  6. Step 6: Final answer
    x = 143,602.98

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.