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Finding the Third Proportional to 402,267 and 837,905

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Solution

The third proportional to 402,267 and 837,905 is: 1,745,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,267 : 837,905 = 837,905 : x
  2. Step 2: Convert to fraction form
    402,267/837,905 = 837,905/x
  3. Step 3: Cross multiply
    402,267x = 837,905 × 837,905
  4. Step 4: Simplify right side
    402,267x = 702,084,789,025
  5. Step 5: Solve for x
    x = 702,084,789,025/402,267
  6. Step 6: Final answer
    x = 1,745,320.37

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.