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Finding the Third Proportional to 222,835,866 and 488,718,474

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Solution

The third proportional to 222,835,866 and 488,718,474 is: 1,071,846,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,835,866 : 488,718,474 = 488,718,474 : x
  2. Step 2: Convert to fraction form
    222,835,866/488,718,474 = 488,718,474/x
  3. Step 3: Cross multiply
    222,835,866x = 488,718,474 × 488,718,474
  4. Step 4: Simplify right side
    222,835,866x = 238,845,746,828,888,672
  5. Step 5: Solve for x
    x = 238,845,746,828,888,672/222,835,866
  6. Step 6: Final answer
    x = 1,071,846,068.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.