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Finding the Third Proportional to 89,391,335 and 136,686,131

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Solution

The third proportional to 89,391,335 and 136,686,131 is: 209,003,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,391,335 : 136,686,131 = 136,686,131 : x
  2. Step 2: Convert to fraction form
    89,391,335/136,686,131 = 136,686,131/x
  3. Step 3: Cross multiply
    89,391,335x = 136,686,131 × 136,686,131
  4. Step 4: Simplify right side
    89,391,335x = 18,683,098,407,749,160
  5. Step 5: Solve for x
    x = 18,683,098,407,749,160/89,391,335
  6. Step 6: Final answer
    x = 209,003,461.10

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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.