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Finding the Third Proportional to 4,831,979.25 and 10,420,538.25

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Solution

The third proportional to 4,831,979.25 and 10,420,538.25 is: 22,472,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831,979.25 : 10,420,538.25 = 10,420,538.25 : x
  2. Step 2: Convert to fraction form
    4,831,979.25/10,420,538.25 = 10,420,538.25/x
  3. Step 3: Cross multiply
    4,831,979.25x = 10,420,538.25 × 10,420,538.25
  4. Step 4: Simplify right side
    4,831,979.25x = 108,587,617,419,713.06
  5. Step 5: Solve for x
    x = 108,587,617,419,713.06/4,831,979.25
  6. Step 6: Final answer
    x = 22,472,699.45

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.