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Finding the Third Proportional to 87,635,964 and 136,414,278

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Solution

The third proportional to 87,635,964 and 136,414,278 is: 212,342,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,635,964 : 136,414,278 = 136,414,278 : x
  2. Step 2: Convert to fraction form
    87,635,964/136,414,278 = 136,414,278/x
  3. Step 3: Cross multiply
    87,635,964x = 136,414,278 × 136,414,278
  4. Step 4: Simplify right side
    87,635,964x = 18,608,855,242,261,284
  5. Step 5: Solve for x
    x = 18,608,855,242,261,284/87,635,964
  6. Step 6: Final answer
    x = 212,342,677.51

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.