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Finding the Third Proportional to 89,368,890 and 136,652,625

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Solution

The third proportional to 89,368,890 and 136,652,625 is: 208,953,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,368,890 : 136,652,625 = 136,652,625 : x
  2. Step 2: Convert to fraction form
    89,368,890/136,652,625 = 136,652,625/x
  3. Step 3: Cross multiply
    89,368,890x = 136,652,625 × 136,652,625
  4. Step 4: Simplify right side
    89,368,890x = 18,673,939,919,390,624
  5. Step 5: Solve for x
    x = 18,673,939,919,390,624/89,368,890
  6. Step 6: Final answer
    x = 208,953,472.73

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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.