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Finding the Third Proportional to 988,868 and 2,117,704

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Solution

The third proportional to 988,868 and 2,117,704 is: 4,535,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,868 : 2,117,704 = 2,117,704 : x
  2. Step 2: Convert to fraction form
    988,868/2,117,704 = 2,117,704/x
  3. Step 3: Cross multiply
    988,868x = 2,117,704 × 2,117,704
  4. Step 4: Simplify right side
    988,868x = 4,484,670,231,616
  5. Step 5: Solve for x
    x = 4,484,670,231,616/988,868
  6. Step 6: Final answer
    x = 4,535,155.58

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.