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Finding the Third Proportional to 82,802.25 and 180,006.75

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Solution

The third proportional to 82,802.25 and 180,006.75 is: 391,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,802.25 : 180,006.75 = 180,006.75 : x
  2. Step 2: Convert to fraction form
    82,802.25/180,006.75 = 180,006.75/x
  3. Step 3: Cross multiply
    82,802.25x = 180,006.75 × 180,006.75
  4. Step 4: Simplify right side
    82,802.25x = 32,402,430,045.56
  5. Step 5: Solve for x
    x = 32,402,430,045.56/82,802.25
  6. Step 6: Final answer
    x = 391,323.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.