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Finding the Third Proportional to 54,525.75 and 79,988.63

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Solution

The third proportional to 54,525.75 and 79,988.63 is: 117,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,525.75 : 79,988.63 = 79,988.63 : x
  2. Step 2: Convert to fraction form
    54,525.75/79,988.63 = 79,988.63/x
  3. Step 3: Cross multiply
    54,525.75x = 79,988.63 × 79,988.63
  4. Step 4: Simplify right side
    54,525.75x = 6,398,180,129.39
  5. Step 5: Solve for x
    x = 6,398,180,129.39/54,525.75
  6. Step 6: Final answer
    x = 117,342.36

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.