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Finding the Third Proportional to 7,116,912,290 and 14,822,887,081

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Solution

The third proportional to 7,116,912,290 and 14,822,887,081 is: 30,872,655,508.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116,912,290 : 14,822,887,081 = 14,822,887,081 : x
  2. Step 2: Convert to fraction form
    7,116,912,290/14,822,887,081 = 14,822,887,081/x
  3. Step 3: Cross multiply
    7,116,912,290x = 14,822,887,081 × 14,822,887,081
  4. Step 4: Simplify right side
    7,116,912,290x = 219,717,981,416,076,705,792
  5. Step 5: Solve for x
    x = 219,717,981,416,076,705,792/7,116,912,290
  6. Step 6: Final answer
    x = 30,872,655,508.88

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.