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Finding the Third Proportional to 70,692.75 and 100,801.13

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Solution

The third proportional to 70,692.75 and 100,801.13 is: 143,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,692.75 : 100,801.13 = 100,801.13 : x
  2. Step 2: Convert to fraction form
    70,692.75/100,801.13 = 100,801.13/x
  3. Step 3: Cross multiply
    70,692.75x = 100,801.13 × 100,801.13
  4. Step 4: Simplify right side
    70,692.75x = 10,160,866,801.27
  5. Step 5: Solve for x
    x = 10,160,866,801.27/70,692.75
  6. Step 6: Final answer
    x = 143,732.80

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.