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Finding the Third Proportional to 887,220 and 1,923,915.38

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Solution

The third proportional to 887,220 and 1,923,915.38 is: 4,171,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,220 : 1,923,915.38 = 1,923,915.38 : x
  2. Step 2: Convert to fraction form
    887,220/1,923,915.38 = 1,923,915.38/x
  3. Step 3: Cross multiply
    887,220x = 1,923,915.38 × 1,923,915.38
  4. Step 4: Simplify right side
    887,220x = 3,701,450,370,161.39
  5. Step 5: Solve for x
    x = 3,701,450,370,161.39/887,220
  6. Step 6: Final answer
    x = 4,171,964.53

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.