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Finding the Third Proportional to 551,486.25 and 759,426.75

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Solution

The third proportional to 551,486.25 and 759,426.75 is: 1,045,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,486.25 : 759,426.75 = 759,426.75 : x
  2. Step 2: Convert to fraction form
    551,486.25/759,426.75 = 759,426.75/x
  3. Step 3: Cross multiply
    551,486.25x = 759,426.75 × 759,426.75
  4. Step 4: Simplify right side
    551,486.25x = 576,728,988,615.56
  5. Step 5: Solve for x
    x = 576,728,988,615.56/551,486.25
  6. Step 6: Final answer
    x = 1,045,772.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.