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Finding the Third Proportional to 142,751 and 310,099

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Solution

The third proportional to 142,751 and 310,099 is: 673,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,751 : 310,099 = 310,099 : x
  2. Step 2: Convert to fraction form
    142,751/310,099 = 310,099/x
  3. Step 3: Cross multiply
    142,751x = 310,099 × 310,099
  4. Step 4: Simplify right side
    142,751x = 96,161,389,801
  5. Step 5: Solve for x
    x = 96,161,389,801/142,751
  6. Step 6: Final answer
    x = 673,630.24

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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.