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Finding the Third Proportional to 157,310 and 340,863

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Solution

The third proportional to 157,310 and 340,863 is: 738,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,310 : 340,863 = 340,863 : x
  2. Step 2: Convert to fraction form
    157,310/340,863 = 340,863/x
  3. Step 3: Cross multiply
    157,310x = 340,863 × 340,863
  4. Step 4: Simplify right side
    157,310x = 116,187,584,769
  5. Step 5: Solve for x
    x = 116,187,584,769/157,310
  6. Step 6: Final answer
    x = 738,589.95

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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.