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Finding the Third Proportional to 787,300 and 1,222,422

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Solution

The third proportional to 787,300 and 1,222,422 is: 1,898,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,300 : 1,222,422 = 1,222,422 : x
  2. Step 2: Convert to fraction form
    787,300/1,222,422 = 1,222,422/x
  3. Step 3: Cross multiply
    787,300x = 1,222,422 × 1,222,422
  4. Step 4: Simplify right side
    787,300x = 1,494,315,546,084
  5. Step 5: Solve for x
    x = 1,494,315,546,084/787,300
  6. Step 6: Final answer
    x = 1,898,025.59

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.