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Finding the Third Proportional to 28,255,150 and 42,589,761

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Solution

The third proportional to 28,255,150 and 42,589,761 is: 64,196,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,255,150 : 42,589,761 = 42,589,761 : x
  2. Step 2: Convert to fraction form
    28,255,150/42,589,761 = 42,589,761/x
  3. Step 3: Cross multiply
    28,255,150x = 42,589,761 × 42,589,761
  4. Step 4: Simplify right side
    28,255,150x = 1,813,887,742,037,121
  5. Step 5: Solve for x
    x = 1,813,887,742,037,121/28,255,150
  6. Step 6: Final answer
    x = 64,196,712.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.