Home / 20,138,819.25-29,830,629.75

Finding the Third Proportional to 20,138,819.25 and 29,830,629.75

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Solution

The third proportional to 20,138,819.25 and 29,830,629.75 is: 44,186,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,138,819.25 : 29,830,629.75 = 29,830,629.75 : x
  2. Step 2: Convert to fraction form
    20,138,819.25/29,830,629.75 = 29,830,629.75/x
  3. Step 3: Cross multiply
    20,138,819.25x = 29,830,629.75 × 29,830,629.75
  4. Step 4: Simplify right side
    20,138,819.25x = 889,866,471,281,585
  5. Step 5: Solve for x
    x = 889,866,471,281,585/20,138,819.25
  6. Step 6: Final answer
    x = 44,186,625.85

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.