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Finding the Third Proportional to 273,090 and 559,302

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Solution

The third proportional to 273,090 and 559,302 is: 1,145,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,090 : 559,302 = 559,302 : x
  2. Step 2: Convert to fraction form
    273,090/559,302 = 559,302/x
  3. Step 3: Cross multiply
    273,090x = 559,302 × 559,302
  4. Step 4: Simplify right side
    273,090x = 312,818,727,204
  5. Step 5: Solve for x
    x = 312,818,727,204/273,090
  6. Step 6: Final answer
    x = 1,145,478.51

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.