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Finding the Third Proportional to 12,470,920 and 26,798,328

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Solution

The third proportional to 12,470,920 and 26,798,328 is: 57,585,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,920 : 26,798,328 = 26,798,328 : x
  2. Step 2: Convert to fraction form
    12,470,920/26,798,328 = 26,798,328/x
  3. Step 3: Cross multiply
    12,470,920x = 26,798,328 × 26,798,328
  4. Step 4: Simplify right side
    12,470,920x = 718,150,383,595,584
  5. Step 5: Solve for x
    x = 718,150,383,595,584/12,470,920
  6. Step 6: Final answer
    x = 57,585,998.76

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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.