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Finding the Third Proportional to 198,844,077 and 432,107,277

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Solution

The third proportional to 198,844,077 and 432,107,277 is: 939,010,614.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,844,077 : 432,107,277 = 432,107,277 : x
  2. Step 2: Convert to fraction form
    198,844,077/432,107,277 = 432,107,277/x
  3. Step 3: Cross multiply
    198,844,077x = 432,107,277 × 432,107,277
  4. Step 4: Simplify right side
    198,844,077x = 186,716,698,836,354,720
  5. Step 5: Solve for x
    x = 186,716,698,836,354,720/198,844,077
  6. Step 6: Final answer
    x = 939,010,614.01

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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.