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Finding the Third Proportional to 6,217,590,213 and 8,891,227,197

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Solution

The third proportional to 6,217,590,213 and 8,891,227,197 is: 12,714,559,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217,590,213 : 8,891,227,197 = 8,891,227,197 : x
  2. Step 2: Convert to fraction form
    6,217,590,213/8,891,227,197 = 8,891,227,197/x
  3. Step 3: Cross multiply
    6,217,590,213x = 8,891,227,197 × 8,891,227,197
  4. Step 4: Simplify right side
    6,217,590,213x = 79,053,921,068,672,483,328
  5. Step 5: Solve for x
    x = 79,053,921,068,672,483,328/6,217,590,213
  6. Step 6: Final answer
    x = 12,714,559,557.72

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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.