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Finding the Third Proportional to 43,157.50 and 65,637

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Solution

The third proportional to 43,157.50 and 65,637 is: 99,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,157.50 : 65,637 = 65,637 : x
  2. Step 2: Convert to fraction form
    43,157.50/65,637 = 65,637/x
  3. Step 3: Cross multiply
    43,157.50x = 65,637 × 65,637
  4. Step 4: Simplify right side
    43,157.50x = 4,308,215,769
  5. Step 5: Solve for x
    x = 4,308,215,769/43,157.50
  6. Step 6: Final answer
    x = 99,825.42

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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.