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Finding the Third Proportional to 29,622 and 64,158

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Solution

The third proportional to 29,622 and 64,158 is: 138,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,622 : 64,158 = 64,158 : x
  2. Step 2: Convert to fraction form
    29,622/64,158 = 64,158/x
  3. Step 3: Cross multiply
    29,622x = 64,158 × 64,158
  4. Step 4: Simplify right side
    29,622x = 4,116,248,964
  5. Step 5: Solve for x
    x = 4,116,248,964/29,622
  6. Step 6: Final answer
    x = 138,959.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.