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Finding the Third Proportional to 29,694 and 64,236

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Solution

The third proportional to 29,694 and 64,236 is: 138,959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,694 : 64,236 = 64,236 : x
  2. Step 2: Convert to fraction form
    29,694/64,236 = 64,236/x
  3. Step 3: Cross multiply
    29,694x = 64,236 × 64,236
  4. Step 4: Simplify right side
    29,694x = 4,126,263,696
  5. Step 5: Solve for x
    x = 4,126,263,696/29,694
  6. Step 6: Final answer
    x = 138,959.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.