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Finding the Third Proportional to 20,853,705.75 and 45,414,720

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Solution

The third proportional to 20,853,705.75 and 45,414,720 is: 98,903,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,853,705.75 : 45,414,720 = 45,414,720 : x
  2. Step 2: Convert to fraction form
    20,853,705.75/45,414,720 = 45,414,720/x
  3. Step 3: Cross multiply
    20,853,705.75x = 45,414,720 × 45,414,720
  4. Step 4: Simplify right side
    20,853,705.75x = 2,062,496,792,678,400
  5. Step 5: Solve for x
    x = 2,062,496,792,678,400/20,853,705.75
  6. Step 6: Final answer
    x = 98,903,131.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.