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Finding the Third Proportional to 1,243,703 and 2,636,867

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Solution

The third proportional to 1,243,703 and 2,636,867 is: 5,590,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,703 : 2,636,867 = 2,636,867 : x
  2. Step 2: Convert to fraction form
    1,243,703/2,636,867 = 2,636,867/x
  3. Step 3: Cross multiply
    1,243,703x = 2,636,867 × 2,636,867
  4. Step 4: Simplify right side
    1,243,703x = 6,953,067,575,689
  5. Step 5: Solve for x
    x = 6,953,067,575,689/1,243,703
  6. Step 6: Final answer
    x = 5,590,617.35

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.