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Finding the Third Proportional to 20,624,546 and 45,367,578

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Solution

The third proportional to 20,624,546 and 45,367,578 is: 99,794,542.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624,546 : 45,367,578 = 45,367,578 : x
  2. Step 2: Convert to fraction form
    20,624,546/45,367,578 = 45,367,578/x
  3. Step 3: Cross multiply
    20,624,546x = 45,367,578 × 45,367,578
  4. Step 4: Simplify right side
    20,624,546x = 2,058,217,133,586,084
  5. Step 5: Solve for x
    x = 2,058,217,133,586,084/20,624,546
  6. Step 6: Final answer
    x = 99,794,542.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.