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Finding the Third Proportional to 29,848 and 64,322

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Solution

The third proportional to 29,848 and 64,322 is: 138,612.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,848 : 64,322 = 64,322 : x
  2. Step 2: Convert to fraction form
    29,848/64,322 = 64,322/x
  3. Step 3: Cross multiply
    29,848x = 64,322 × 64,322
  4. Step 4: Simplify right side
    29,848x = 4,137,319,684
  5. Step 5: Solve for x
    x = 4,137,319,684/29,848
  6. Step 6: Final answer
    x = 138,612.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.