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Finding the Third Proportional to 1,787,985 and 3,895,150.50

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Solution

The third proportional to 1,787,985 and 3,895,150.50 is: 8,485,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,985 : 3,895,150.50 = 3,895,150.50 : x
  2. Step 2: Convert to fraction form
    1,787,985/3,895,150.50 = 3,895,150.50/x
  3. Step 3: Cross multiply
    1,787,985x = 3,895,150.50 × 3,895,150.50
  4. Step 4: Simplify right side
    1,787,985x = 15,172,197,417,650.25
  5. Step 5: Solve for x
    x = 15,172,197,417,650.25/1,787,985
  6. Step 6: Final answer
    x = 8,485,640.21

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.