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Finding the Third Proportional to 82,102.50 and 176,860.50

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Solution

The third proportional to 82,102.50 and 176,860.50 is: 380,982.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,102.50 : 176,860.50 = 176,860.50 : x
  2. Step 2: Convert to fraction form
    82,102.50/176,860.50 = 176,860.50/x
  3. Step 3: Cross multiply
    82,102.50x = 176,860.50 × 176,860.50
  4. Step 4: Simplify right side
    82,102.50x = 31,279,636,460.25
  5. Step 5: Solve for x
    x = 31,279,636,460.25/82,102.50
  6. Step 6: Final answer
    x = 380,982.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.