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Finding the Third Proportional to 13,145,332,756 and 20,361,806,268

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Solution

The third proportional to 13,145,332,756 and 20,361,806,268 is: 31,539,951,265.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,332,756 : 20,361,806,268 = 20,361,806,268 : x
  2. Step 2: Convert to fraction form
    13,145,332,756/20,361,806,268 = 20,361,806,268/x
  3. Step 3: Cross multiply
    13,145,332,756x = 20,361,806,268 × 20,361,806,268
  4. Step 4: Simplify right side
    13,145,332,756x = 414,603,154,495,564,087,296
  5. Step 5: Solve for x
    x = 414,603,154,495,564,087,296/13,145,332,756
  6. Step 6: Final answer
    x = 31,539,951,265.69

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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.