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Finding the Third Proportional to 29,748 and 64,395

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Solution

The third proportional to 29,748 and 64,395 is: 139,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,748 : 64,395 = 64,395 : x
  2. Step 2: Convert to fraction form
    29,748/64,395 = 64,395/x
  3. Step 3: Cross multiply
    29,748x = 64,395 × 64,395
  4. Step 4: Simplify right side
    29,748x = 4,146,716,025
  5. Step 5: Solve for x
    x = 4,146,716,025/29,748
  6. Step 6: Final answer
    x = 139,394.78

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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.