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Finding the Third Proportional to 620,873 and 1,330,294

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Solution

The third proportional to 620,873 and 1,330,294 is: 2,850,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,873 : 1,330,294 = 1,330,294 : x
  2. Step 2: Convert to fraction form
    620,873/1,330,294 = 1,330,294/x
  3. Step 3: Cross multiply
    620,873x = 1,330,294 × 1,330,294
  4. Step 4: Simplify right side
    620,873x = 1,769,682,126,436
  5. Step 5: Solve for x
    x = 1,769,682,126,436/620,873
  6. Step 6: Final answer
    x = 2,850,312.59

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.