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Finding the Third Proportional to 43,261 and 65,703

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Solution

The third proportional to 43,261 and 65,703 is: 99,786.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,261 : 65,703 = 65,703 : x
  2. Step 2: Convert to fraction form
    43,261/65,703 = 65,703/x
  3. Step 3: Cross multiply
    43,261x = 65,703 × 65,703
  4. Step 4: Simplify right side
    43,261x = 4,316,884,209
  5. Step 5: Solve for x
    x = 4,316,884,209/43,261
  6. Step 6: Final answer
    x = 99,786.97

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.