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Finding the Third Proportional to 20,258,260 and 31,415,689

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Solution

The third proportional to 20,258,260 and 31,415,689 is: 48,718,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258,260 : 31,415,689 = 31,415,689 : x
  2. Step 2: Convert to fraction form
    20,258,260/31,415,689 = 31,415,689/x
  3. Step 3: Cross multiply
    20,258,260x = 31,415,689 × 31,415,689
  4. Step 4: Simplify right side
    20,258,260x = 986,945,515,344,721
  5. Step 5: Solve for x
    x = 986,945,515,344,721/20,258,260
  6. Step 6: Final answer
    x = 48,718,177.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.