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Finding the Third Proportional to 70,135.50 and 108,650.25

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Solution

The third proportional to 70,135.50 and 108,650.25 is: 168,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,135.50 : 108,650.25 = 108,650.25 : x
  2. Step 2: Convert to fraction form
    70,135.50/108,650.25 = 108,650.25/x
  3. Step 3: Cross multiply
    70,135.50x = 108,650.25 × 108,650.25
  4. Step 4: Simplify right side
    70,135.50x = 11,804,876,825.06
  5. Step 5: Solve for x
    x = 11,804,876,825.06/70,135.50
  6. Step 6: Final answer
    x = 168,315.29

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.