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Finding the Third Proportional to 89,372,949 and 136,656,657

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Solution

The third proportional to 89,372,949 and 136,656,657 is: 208,956,312.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,372,949 : 136,656,657 = 136,656,657 : x
  2. Step 2: Convert to fraction form
    89,372,949/136,656,657 = 136,656,657/x
  3. Step 3: Cross multiply
    89,372,949x = 136,656,657 × 136,656,657
  4. Step 4: Simplify right side
    89,372,949x = 18,675,041,902,415,648
  5. Step 5: Solve for x
    x = 18,675,041,902,415,648/89,372,949
  6. Step 6: Final answer
    x = 208,956,312.97

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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.