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Finding the Third Proportional to 141,005 and 307,930

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Solution

The third proportional to 141,005 and 307,930 is: 672,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,005 : 307,930 = 307,930 : x
  2. Step 2: Convert to fraction form
    141,005/307,930 = 307,930/x
  3. Step 3: Cross multiply
    141,005x = 307,930 × 307,930
  4. Step 4: Simplify right side
    141,005x = 94,820,884,900
  5. Step 5: Solve for x
    x = 94,820,884,900/141,005
  6. Step 6: Final answer
    x = 672,464.70

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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.