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Finding the Third Proportional to 843,339 and 1,815,630

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Solution

The third proportional to 843,339 and 1,815,630 is: 3,908,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,339 : 1,815,630 = 1,815,630 : x
  2. Step 2: Convert to fraction form
    843,339/1,815,630 = 1,815,630/x
  3. Step 3: Cross multiply
    843,339x = 1,815,630 × 1,815,630
  4. Step 4: Simplify right side
    843,339x = 3,296,512,296,900
  5. Step 5: Solve for x
    x = 3,296,512,296,900/843,339
  6. Step 6: Final answer
    x = 3,908,881.60

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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.