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Finding the Third Proportional to 88,417.50 and 135,207

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Solution

The third proportional to 88,417.50 and 135,207 is: 206,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,417.50 : 135,207 = 135,207 : x
  2. Step 2: Convert to fraction form
    88,417.50/135,207 = 135,207/x
  3. Step 3: Cross multiply
    88,417.50x = 135,207 × 135,207
  4. Step 4: Simplify right side
    88,417.50x = 18,280,932,849
  5. Step 5: Solve for x
    x = 18,280,932,849/88,417.50
  6. Step 6: Final answer
    x = 206,756.95

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.