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Finding the Third Proportional to 88,158,274 and 138,998,647

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Solution

The third proportional to 88,158,274 and 138,998,647 is: 219,158,372.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,158,274 : 138,998,647 = 138,998,647 : x
  2. Step 2: Convert to fraction form
    88,158,274/138,998,647 = 138,998,647/x
  3. Step 3: Cross multiply
    88,158,274x = 138,998,647 × 138,998,647
  4. Step 4: Simplify right side
    88,158,274x = 19,320,623,867,830,608
  5. Step 5: Solve for x
    x = 19,320,623,867,830,608/88,158,274
  6. Step 6: Final answer
    x = 219,158,372.68

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.