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Finding the Third Proportional to 141,652 and 309,440

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Solution

The third proportional to 141,652 and 309,440 is: 675,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,652 : 309,440 = 309,440 : x
  2. Step 2: Convert to fraction form
    141,652/309,440 = 309,440/x
  3. Step 3: Cross multiply
    141,652x = 309,440 × 309,440
  4. Step 4: Simplify right side
    141,652x = 95,753,113,600
  5. Step 5: Solve for x
    x = 95,753,113,600/141,652
  6. Step 6: Final answer
    x = 675,974.31

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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.