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Finding the Third Proportional to 54,168,521 and 117,172,279

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Solution

The third proportional to 54,168,521 and 117,172,279 is: 253,456,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,168,521 : 117,172,279 = 117,172,279 : x
  2. Step 2: Convert to fraction form
    54,168,521/117,172,279 = 117,172,279/x
  3. Step 3: Cross multiply
    54,168,521x = 117,172,279 × 117,172,279
  4. Step 4: Simplify right side
    54,168,521x = 13,729,342,966,053,840
  5. Step 5: Solve for x
    x = 13,729,342,966,053,840/54,168,521
  6. Step 6: Final answer
    x = 253,456,116.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.