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Finding the Third Proportional to 54,279,628 and 117,062,072

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Solution

The third proportional to 54,279,628 and 117,062,072 is: 252,461,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,279,628 : 117,062,072 = 117,062,072 : x
  2. Step 2: Convert to fraction form
    54,279,628/117,062,072 = 117,062,072/x
  3. Step 3: Cross multiply
    54,279,628x = 117,062,072 × 117,062,072
  4. Step 4: Simplify right side
    54,279,628x = 13,703,528,700,933,184
  5. Step 5: Solve for x
    x = 13,703,528,700,933,184/54,279,628
  6. Step 6: Final answer
    x = 252,461,728.38

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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.