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Finding the Third Proportional to 88,195.50 and 136,930.50

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Solution

The third proportional to 88,195.50 and 136,930.50 is: 212,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,195.50 : 136,930.50 = 136,930.50 : x
  2. Step 2: Convert to fraction form
    88,195.50/136,930.50 = 136,930.50/x
  3. Step 3: Cross multiply
    88,195.50x = 136,930.50 × 136,930.50
  4. Step 4: Simplify right side
    88,195.50x = 18,749,961,830.25
  5. Step 5: Solve for x
    x = 18,749,961,830.25/88,195.50
  6. Step 6: Final answer
    x = 212,595.45

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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.