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Finding the Third Proportional to 374,268 and 818,520

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Solution

The third proportional to 374,268 and 818,520 is: 1,790,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,268 : 818,520 = 818,520 : x
  2. Step 2: Convert to fraction form
    374,268/818,520 = 818,520/x
  3. Step 3: Cross multiply
    374,268x = 818,520 × 818,520
  4. Step 4: Simplify right side
    374,268x = 669,974,990,400
  5. Step 5: Solve for x
    x = 669,974,990,400/374,268
  6. Step 6: Final answer
    x = 1,790,094.24

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.