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Finding the Third Proportional to 54,418,872 and 118,403,313

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Solution

The third proportional to 54,418,872 and 118,403,313 is: 257,619,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,418,872 : 118,403,313 = 118,403,313 : x
  2. Step 2: Convert to fraction form
    54,418,872/118,403,313 = 118,403,313/x
  3. Step 3: Cross multiply
    54,418,872x = 118,403,313 × 118,403,313
  4. Step 4: Simplify right side
    54,418,872x = 14,019,344,529,375,968
  5. Step 5: Solve for x
    x = 14,019,344,529,375,968/54,418,872
  6. Step 6: Final answer
    x = 257,619,168.02

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.