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Finding the Third Proportional to 6,217,590,222 and 8,891,227,211

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Solution

The third proportional to 6,217,590,222 and 8,891,227,211 is: 12,714,559,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217,590,222 : 8,891,227,211 = 8,891,227,211 : x
  2. Step 2: Convert to fraction form
    6,217,590,222/8,891,227,211 = 8,891,227,211/x
  3. Step 3: Cross multiply
    6,217,590,222x = 8,891,227,211 × 8,891,227,211
  4. Step 4: Simplify right side
    6,217,590,222x = 79,053,921,317,626,839,040
  5. Step 5: Solve for x
    x = 79,053,921,317,626,839,040/6,217,590,222
  6. Step 6: Final answer
    x = 12,714,559,579.35

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.