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Finding the Third Proportional to 98,209,759 and 136,552,821

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Solution

The third proportional to 98,209,759 and 136,552,821 is: 189,865,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,209,759 : 136,552,821 = 136,552,821 : x
  2. Step 2: Convert to fraction form
    98,209,759/136,552,821 = 136,552,821/x
  3. Step 3: Cross multiply
    98,209,759x = 136,552,821 × 136,552,821
  4. Step 4: Simplify right side
    98,209,759x = 18,646,672,923,058,040
  5. Step 5: Solve for x
    x = 18,646,672,923,058,040/98,209,759
  6. Step 6: Final answer
    x = 189,865,784.35

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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.