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Finding the Third Proportional to 935,861 and 1,915,989

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Solution

The third proportional to 935,861 and 1,915,989 is: 3,922,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,861 : 1,915,989 = 1,915,989 : x
  2. Step 2: Convert to fraction form
    935,861/1,915,989 = 1,915,989/x
  3. Step 3: Cross multiply
    935,861x = 1,915,989 × 1,915,989
  4. Step 4: Simplify right side
    935,861x = 3,671,013,848,121
  5. Step 5: Solve for x
    x = 3,671,013,848,121/935,861
  6. Step 6: Final answer
    x = 3,922,605.87

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.