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Finding the Third Proportional to 200,953 and 273,666

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Solution

The third proportional to 200,953 and 273,666 is: 372,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,953 : 273,666 = 273,666 : x
  2. Step 2: Convert to fraction form
    200,953/273,666 = 273,666/x
  3. Step 3: Cross multiply
    200,953x = 273,666 × 273,666
  4. Step 4: Simplify right side
    200,953x = 74,893,079,556
  5. Step 5: Solve for x
    x = 74,893,079,556/200,953
  6. Step 6: Final answer
    x = 372,689.53

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.