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Finding the Third Proportional to 5,728,470,720 and 12,338,389,920

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Solution

The third proportional to 5,728,470,720 and 12,338,389,920 is: 26,575,306,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728,470,720 : 12,338,389,920 = 12,338,389,920 : x
  2. Step 2: Convert to fraction form
    5,728,470,720/12,338,389,920 = 12,338,389,920/x
  3. Step 3: Cross multiply
    5,728,470,720x = 12,338,389,920 × 12,338,389,920
  4. Step 4: Simplify right side
    5,728,470,720x = 152,235,865,817,957,597,184
  5. Step 5: Solve for x
    x = 152,235,865,817,957,597,184/5,728,470,720
  6. Step 6: Final answer
    x = 26,575,306,614.81

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.