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Finding the Third Proportional to 52,431,006 and 81,406,989

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Solution

The third proportional to 52,431,006 and 81,406,989 is: 126,396,542.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431,006 : 81,406,989 = 81,406,989 : x
  2. Step 2: Convert to fraction form
    52,431,006/81,406,989 = 81,406,989/x
  3. Step 3: Cross multiply
    52,431,006x = 81,406,989 × 81,406,989
  4. Step 4: Simplify right side
    52,431,006x = 6,627,097,858,046,121
  5. Step 5: Solve for x
    x = 6,627,097,858,046,121/52,431,006
  6. Step 6: Final answer
    x = 126,396,542.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.