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Finding the Third Proportional to 80,725.50 and 176,206.50

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Solution

The third proportional to 80,725.50 and 176,206.50 is: 384,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,725.50 : 176,206.50 = 176,206.50 : x
  2. Step 2: Convert to fraction form
    80,725.50/176,206.50 = 176,206.50/x
  3. Step 3: Cross multiply
    80,725.50x = 176,206.50 × 176,206.50
  4. Step 4: Simplify right side
    80,725.50x = 31,048,730,642.25
  5. Step 5: Solve for x
    x = 31,048,730,642.25/80,725.50
  6. Step 6: Final answer
    x = 384,621.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.