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Finding the Third Proportional to 43,339 and 64,725

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Solution

The third proportional to 43,339 and 64,725 is: 96,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,339 : 64,725 = 64,725 : x
  2. Step 2: Convert to fraction form
    43,339/64,725 = 64,725/x
  3. Step 3: Cross multiply
    43,339x = 64,725 × 64,725
  4. Step 4: Simplify right side
    43,339x = 4,189,325,625
  5. Step 5: Solve for x
    x = 4,189,325,625/43,339
  6. Step 6: Final answer
    x = 96,664.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.