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Finding the Third Proportional to 273,734 and 409,495

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Solution

The third proportional to 273,734 and 409,495 is: 612,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,734 : 409,495 = 409,495 : x
  2. Step 2: Convert to fraction form
    273,734/409,495 = 409,495/x
  3. Step 3: Cross multiply
    273,734x = 409,495 × 409,495
  4. Step 4: Simplify right side
    273,734x = 167,686,155,025
  5. Step 5: Solve for x
    x = 167,686,155,025/273,734
  6. Step 6: Final answer
    x = 612,587.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.