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Finding the Third Proportional to 1,214,309 and 2,615,503

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Solution

The third proportional to 1,214,309 and 2,615,503 is: 5,633,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,309 : 2,615,503 = 2,615,503 : x
  2. Step 2: Convert to fraction form
    1,214,309/2,615,503 = 2,615,503/x
  3. Step 3: Cross multiply
    1,214,309x = 2,615,503 × 2,615,503
  4. Step 4: Simplify right side
    1,214,309x = 6,840,855,943,009
  5. Step 5: Solve for x
    x = 6,840,855,943,009/1,214,309
  6. Step 6: Final answer
    x = 5,633,538.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.