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Finding the Third Proportional to 484,871 and 1,019,989

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Solution

The third proportional to 484,871 and 1,019,989 is: 2,145,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,871 : 1,019,989 = 1,019,989 : x
  2. Step 2: Convert to fraction form
    484,871/1,019,989 = 1,019,989/x
  3. Step 3: Cross multiply
    484,871x = 1,019,989 × 1,019,989
  4. Step 4: Simplify right side
    484,871x = 1,040,377,560,121
  5. Step 5: Solve for x
    x = 1,040,377,560,121/484,871
  6. Step 6: Final answer
    x = 2,145,679.08

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.