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Finding the Third Proportional to 6,855,142,920 and 9,472,250,211

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Solution

The third proportional to 6,855,142,920 and 9,472,250,211 is: 13,088,497,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855,142,920 : 9,472,250,211 = 9,472,250,211 : x
  2. Step 2: Convert to fraction form
    6,855,142,920/9,472,250,211 = 9,472,250,211/x
  3. Step 3: Cross multiply
    6,855,142,920x = 9,472,250,211 × 9,472,250,211
  4. Step 4: Simplify right side
    6,855,142,920x = 89,723,524,059,789,541,376
  5. Step 5: Solve for x
    x = 89,723,524,059,789,541,376/6,855,142,920
  6. Step 6: Final answer
    x = 13,088,497,950.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.