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Finding the Third Proportional to 13,145,332,754 and 20,361,806,265

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Solution

The third proportional to 13,145,332,754 and 20,361,806,265 is: 31,539,951,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,332,754 : 20,361,806,265 = 20,361,806,265 : x
  2. Step 2: Convert to fraction form
    13,145,332,754/20,361,806,265 = 20,361,806,265/x
  3. Step 3: Cross multiply
    13,145,332,754x = 20,361,806,265 × 20,361,806,265
  4. Step 4: Simplify right side
    13,145,332,754x = 414,603,154,373,393,252,352
  5. Step 5: Solve for x
    x = 414,603,154,373,393,252,352/13,145,332,754
  6. Step 6: Final answer
    x = 31,539,951,261.20

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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.