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Finding the Third Proportional to 39,531.38 and 83,475

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Solution

The third proportional to 39,531.38 and 83,475 is: 176,266.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.38 : 83,475 = 83,475 : x
  2. Step 2: Convert to fraction form
    39,531.38/83,475 = 83,475/x
  3. Step 3: Cross multiply
    39,531.38x = 83,475 × 83,475
  4. Step 4: Simplify right side
    39,531.38x = 6,968,075,625
  5. Step 5: Solve for x
    x = 6,968,075,625/39,531.38
  6. Step 6: Final answer
    x = 176,266.97

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.