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Finding the Third Proportional to 54,359,812 and 115,015,928

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Solution

The third proportional to 54,359,812 and 115,015,928 is: 243,353,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,359,812 : 115,015,928 = 115,015,928 : x
  2. Step 2: Convert to fraction form
    54,359,812/115,015,928 = 115,015,928/x
  3. Step 3: Cross multiply
    54,359,812x = 115,015,928 × 115,015,928
  4. Step 4: Simplify right side
    54,359,812x = 13,228,663,693,701,184
  5. Step 5: Solve for x
    x = 13,228,663,693,701,184/54,359,812
  6. Step 6: Final answer
    x = 243,353,742.54

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.