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Finding the Third Proportional to 204,865.50 and 447,090

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Solution

The third proportional to 204,865.50 and 447,090 is: 975,710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,865.50 : 447,090 = 447,090 : x
  2. Step 2: Convert to fraction form
    204,865.50/447,090 = 447,090/x
  3. Step 3: Cross multiply
    204,865.50x = 447,090 × 447,090
  4. Step 4: Simplify right side
    204,865.50x = 199,889,468,100
  5. Step 5: Solve for x
    x = 199,889,468,100/204,865.50
  6. Step 6: Final answer
    x = 975,710.74

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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.