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Finding the Third Proportional to 147,786 and 307,366

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Solution

The third proportional to 147,786 and 307,366 is: 639,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,786 : 307,366 = 307,366 : x
  2. Step 2: Convert to fraction form
    147,786/307,366 = 307,366/x
  3. Step 3: Cross multiply
    147,786x = 307,366 × 307,366
  4. Step 4: Simplify right side
    147,786x = 94,473,857,956
  5. Step 5: Solve for x
    x = 94,473,857,956/147,786
  6. Step 6: Final answer
    x = 639,261.22

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.