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Finding the Third Proportional to 90,155,636 and 135,251,925

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Solution

The third proportional to 90,155,636 and 135,251,925 is: 202,905,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,155,636 : 135,251,925 = 135,251,925 : x
  2. Step 2: Convert to fraction form
    90,155,636/135,251,925 = 135,251,925/x
  3. Step 3: Cross multiply
    90,155,636x = 135,251,925 × 135,251,925
  4. Step 4: Simplify right side
    90,155,636x = 18,293,083,216,205,624
  5. Step 5: Solve for x
    x = 18,293,083,216,205,624/90,155,636
  6. Step 6: Final answer
    x = 202,905,597.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.