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Finding the Third Proportional to 141,615 and 306,558

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Solution

The third proportional to 141,615 and 306,558 is: 663,614.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,615 : 306,558 = 306,558 : x
  2. Step 2: Convert to fraction form
    141,615/306,558 = 306,558/x
  3. Step 3: Cross multiply
    141,615x = 306,558 × 306,558
  4. Step 4: Simplify right side
    141,615x = 93,977,807,364
  5. Step 5: Solve for x
    x = 93,977,807,364/141,615
  6. Step 6: Final answer
    x = 663,614.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.