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Finding the Third Proportional to 3,212,528 and 4,729,989

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Solution

The third proportional to 3,212,528 and 4,729,989 is: 6,964,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,528 : 4,729,989 = 4,729,989 : x
  2. Step 2: Convert to fraction form
    3,212,528/4,729,989 = 4,729,989/x
  3. Step 3: Cross multiply
    3,212,528x = 4,729,989 × 4,729,989
  4. Step 4: Simplify right side
    3,212,528x = 22,372,795,940,121
  5. Step 5: Solve for x
    x = 22,372,795,940,121/3,212,528
  6. Step 6: Final answer
    x = 6,964,233.76

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.