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Finding the Third Proportional to 88,589,295 and 138,690,171

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Solution

The third proportional to 88,589,295 and 138,690,171 is: 217,125,145.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,589,295 : 138,690,171 = 138,690,171 : x
  2. Step 2: Convert to fraction form
    88,589,295/138,690,171 = 138,690,171/x
  3. Step 3: Cross multiply
    88,589,295x = 138,690,171 × 138,690,171
  4. Step 4: Simplify right side
    88,589,295x = 19,234,963,532,009,240
  5. Step 5: Solve for x
    x = 19,234,963,532,009,240/88,589,295
  6. Step 6: Final answer
    x = 217,125,145.11

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.