Home / 15,728,408.25-21,250,059.75

Finding the Third Proportional to 15,728,408.25 and 21,250,059.75

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Solution

The third proportional to 15,728,408.25 and 21,250,059.75 is: 28,710,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728,408.25 : 21,250,059.75 = 21,250,059.75 : x
  2. Step 2: Convert to fraction form
    15,728,408.25/21,250,059.75 = 21,250,059.75/x
  3. Step 3: Cross multiply
    15,728,408.25x = 21,250,059.75 × 21,250,059.75
  4. Step 4: Simplify right side
    15,728,408.25x = 451,565,039,378,570.06
  5. Step 5: Solve for x
    x = 451,565,039,378,570.06/15,728,408.25
  6. Step 6: Final answer
    x = 28,710,155.04

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.