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Finding the Third Proportional to 98,209,757 and 136,552,819

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Solution

The third proportional to 98,209,757 and 136,552,819 is: 189,865,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,209,757 : 136,552,819 = 136,552,819 : x
  2. Step 2: Convert to fraction form
    98,209,757/136,552,819 = 136,552,819/x
  3. Step 3: Cross multiply
    98,209,757x = 136,552,819 × 136,552,819
  4. Step 4: Simplify right side
    98,209,757x = 18,646,672,376,846,760
  5. Step 5: Solve for x
    x = 18,646,672,376,846,760/98,209,757
  6. Step 6: Final answer
    x = 189,865,782.65

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.