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Finding the Third Proportional to 20,768,514.75 and 45,522,517.50

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Solution

The third proportional to 20,768,514.75 and 45,522,517.50 is: 99,780,828.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,768,514.75 : 45,522,517.50 = 45,522,517.50 : x
  2. Step 2: Convert to fraction form
    20,768,514.75/45,522,517.50 = 45,522,517.50/x
  3. Step 3: Cross multiply
    20,768,514.75x = 45,522,517.50 × 45,522,517.50
  4. Step 4: Simplify right side
    20,768,514.75x = 2,072,299,599,537,806.25
  5. Step 5: Solve for x
    x = 2,072,299,599,537,806.25/20,768,514.75
  6. Step 6: Final answer
    x = 99,780,828.07

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.