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Finding the Third Proportional to 2,139,483 and 4,458,246

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Solution

The third proportional to 2,139,483 and 4,458,246 is: 9,290,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,483 : 4,458,246 = 4,458,246 : x
  2. Step 2: Convert to fraction form
    2,139,483/4,458,246 = 4,458,246/x
  3. Step 3: Cross multiply
    2,139,483x = 4,458,246 × 4,458,246
  4. Step 4: Simplify right side
    2,139,483x = 19,875,957,396,516
  5. Step 5: Solve for x
    x = 19,875,957,396,516/2,139,483
  6. Step 6: Final answer
    x = 9,290,074.94

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.