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Finding the Third Proportional to 930,287 and 2,009,278

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Solution

The third proportional to 930,287 and 2,009,278 is: 4,339,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,287 : 2,009,278 = 2,009,278 : x
  2. Step 2: Convert to fraction form
    930,287/2,009,278 = 2,009,278/x
  3. Step 3: Cross multiply
    930,287x = 2,009,278 × 2,009,278
  4. Step 4: Simplify right side
    930,287x = 4,037,198,081,284
  5. Step 5: Solve for x
    x = 4,037,198,081,284/930,287
  6. Step 6: Final answer
    x = 4,339,733.95

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.