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Finding the Third Proportional to 54,168,541 and 117,172,319

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Solution

The third proportional to 54,168,541 and 117,172,319 is: 253,456,195.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,168,541 : 117,172,319 = 117,172,319 : x
  2. Step 2: Convert to fraction form
    54,168,541/117,172,319 = 117,172,319/x
  3. Step 3: Cross multiply
    54,168,541x = 117,172,319 × 117,172,319
  4. Step 4: Simplify right side
    54,168,541x = 13,729,352,339,837,760
  5. Step 5: Solve for x
    x = 13,729,352,339,837,760/54,168,541
  6. Step 6: Final answer
    x = 253,456,195.91

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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.