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Finding the Third Proportional to 6,217,590,220 and 8,891,227,208

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Solution

The third proportional to 6,217,590,220 and 8,891,227,208 is: 12,714,559,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217,590,220 : 8,891,227,208 = 8,891,227,208 : x
  2. Step 2: Convert to fraction form
    6,217,590,220/8,891,227,208 = 8,891,227,208/x
  3. Step 3: Cross multiply
    6,217,590,220x = 8,891,227,208 × 8,891,227,208
  4. Step 4: Simplify right side
    6,217,590,220x = 79,053,921,264,279,470,080
  5. Step 5: Solve for x
    x = 79,053,921,264,279,470,080/6,217,590,220
  6. Step 6: Final answer
    x = 12,714,559,574.86

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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.