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Finding the Third Proportional to 141,073,615 and 217,900,640

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Solution

The third proportional to 141,073,615 and 217,900,640 is: 336,566,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,073,615 : 217,900,640 = 217,900,640 : x
  2. Step 2: Convert to fraction form
    141,073,615/217,900,640 = 217,900,640/x
  3. Step 3: Cross multiply
    141,073,615x = 217,900,640 × 217,900,640
  4. Step 4: Simplify right side
    141,073,615x = 47,480,688,912,409,600
  5. Step 5: Solve for x
    x = 47,480,688,912,409,600/141,073,615
  6. Step 6: Final answer
    x = 336,566,755.68

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.