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Finding the Third Proportional to 12,862,240 and 26,782,987

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Solution

The third proportional to 12,862,240 and 26,782,987 is: 55,770,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862,240 : 26,782,987 = 26,782,987 : x
  2. Step 2: Convert to fraction form
    12,862,240/26,782,987 = 26,782,987/x
  3. Step 3: Cross multiply
    12,862,240x = 26,782,987 × 26,782,987
  4. Step 4: Simplify right side
    12,862,240x = 717,328,392,642,169
  5. Step 5: Solve for x
    x = 717,328,392,642,169/12,862,240
  6. Step 6: Final answer
    x = 55,770,098.57

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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.