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Finding the Third Proportional to 206,320.50 and 452,005.50

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Solution

The third proportional to 206,320.50 and 452,005.50 is: 990,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,320.50 : 452,005.50 = 452,005.50 : x
  2. Step 2: Convert to fraction form
    206,320.50/452,005.50 = 452,005.50/x
  3. Step 3: Cross multiply
    206,320.50x = 452,005.50 × 452,005.50
  4. Step 4: Simplify right side
    206,320.50x = 204,308,972,030.25
  5. Step 5: Solve for x
    x = 204,308,972,030.25/206,320.50
  6. Step 6: Final answer
    x = 990,250.47

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.