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Finding the Third Proportional to 157,346 and 340,948

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Solution

The third proportional to 157,346 and 340,948 is: 738,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,346 : 340,948 = 340,948 : x
  2. Step 2: Convert to fraction form
    157,346/340,948 = 340,948/x
  3. Step 3: Cross multiply
    157,346x = 340,948 × 340,948
  4. Step 4: Simplify right side
    157,346x = 116,245,538,704
  5. Step 5: Solve for x
    x = 116,245,538,704/157,346
  6. Step 6: Final answer
    x = 738,789.28

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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.