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Finding the Third Proportional to 89,259,879 and 137,929,269

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Solution

The third proportional to 89,259,879 and 137,929,269 is: 213,135,884.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,259,879 : 137,929,269 = 137,929,269 : x
  2. Step 2: Convert to fraction form
    89,259,879/137,929,269 = 137,929,269/x
  3. Step 3: Cross multiply
    89,259,879x = 137,929,269 × 137,929,269
  4. Step 4: Simplify right side
    89,259,879x = 19,024,483,246,874,360
  5. Step 5: Solve for x
    x = 19,024,483,246,874,360/89,259,879
  6. Step 6: Final answer
    x = 213,135,884.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.