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Finding the Third Proportional to 20,776,288 and 31,048,150

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Solution

The third proportional to 20,776,288 and 31,048,150 is: 46,398,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,288 : 31,048,150 = 31,048,150 : x
  2. Step 2: Convert to fraction form
    20,776,288/31,048,150 = 31,048,150/x
  3. Step 3: Cross multiply
    20,776,288x = 31,048,150 × 31,048,150
  4. Step 4: Simplify right side
    20,776,288x = 963,987,618,422,500
  5. Step 5: Solve for x
    x = 963,987,618,422,500/20,776,288
  6. Step 6: Final answer
    x = 46,398,452.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.