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Finding the Third Proportional to 54,168,539 and 117,172,315

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Solution

The third proportional to 54,168,539 and 117,172,315 is: 253,456,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,168,539 : 117,172,315 = 117,172,315 : x
  2. Step 2: Convert to fraction form
    54,168,539/117,172,315 = 117,172,315/x
  3. Step 3: Cross multiply
    54,168,539x = 117,172,315 × 117,172,315
  4. Step 4: Simplify right side
    54,168,539x = 13,729,351,402,459,224
  5. Step 5: Solve for x
    x = 13,729,351,402,459,224/54,168,539
  6. Step 6: Final answer
    x = 253,456,187.96

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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.