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Finding the Third Proportional to 89,409,912 and 136,681,092

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Solution

The third proportional to 89,409,912 and 136,681,092 is: 208,944,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,409,912 : 136,681,092 = 136,681,092 : x
  2. Step 2: Convert to fraction form
    89,409,912/136,681,092 = 136,681,092/x
  3. Step 3: Cross multiply
    89,409,912x = 136,681,092 × 136,681,092
  4. Step 4: Simplify right side
    89,409,912x = 18,681,720,910,312,464
  5. Step 5: Solve for x
    x = 18,681,720,910,312,464/89,409,912
  6. Step 6: Final answer
    x = 208,944,629.21

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.