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Finding the Third Proportional to 222,555,606 and 478,019,340

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Solution

The third proportional to 222,555,606 and 478,019,340 is: 1,026,720,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,555,606 : 478,019,340 = 478,019,340 : x
  2. Step 2: Convert to fraction form
    222,555,606/478,019,340 = 478,019,340/x
  3. Step 3: Cross multiply
    222,555,606x = 478,019,340 × 478,019,340
  4. Step 4: Simplify right side
    222,555,606x = 228,502,489,414,035,584
  5. Step 5: Solve for x
    x = 228,502,489,414,035,584/222,555,606
  6. Step 6: Final answer
    x = 1,026,720,887.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.