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Finding the Third Proportional to 505,566 and 1,085,489

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Solution

The third proportional to 505,566 and 1,085,489 is: 2,330,628.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,566 : 1,085,489 = 1,085,489 : x
  2. Step 2: Convert to fraction form
    505,566/1,085,489 = 1,085,489/x
  3. Step 3: Cross multiply
    505,566x = 1,085,489 × 1,085,489
  4. Step 4: Simplify right side
    505,566x = 1,178,286,369,121
  5. Step 5: Solve for x
    x = 1,178,286,369,121/505,566
  6. Step 6: Final answer
    x = 2,330,628.19

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.