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Finding the Third Proportional to 304,634 and 660,112

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Solution

The third proportional to 304,634 and 660,112 is: 1,430,397.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,634 : 660,112 = 660,112 : x
  2. Step 2: Convert to fraction form
    304,634/660,112 = 660,112/x
  3. Step 3: Cross multiply
    304,634x = 660,112 × 660,112
  4. Step 4: Simplify right side
    304,634x = 435,747,852,544
  5. Step 5: Solve for x
    x = 435,747,852,544/304,634
  6. Step 6: Final answer
    x = 1,430,397.96

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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.