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Finding the Third Proportional to 450,288 and 633,309

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Solution

The third proportional to 450,288 and 633,309 is: 890,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,288 : 633,309 = 633,309 : x
  2. Step 2: Convert to fraction form
    450,288/633,309 = 633,309/x
  3. Step 3: Cross multiply
    450,288x = 633,309 × 633,309
  4. Step 4: Simplify right side
    450,288x = 401,080,289,481
  5. Step 5: Solve for x
    x = 401,080,289,481/450,288
  6. Step 6: Final answer
    x = 890,719.47

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.