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Finding the Third Proportional to 931,566.75 and 1,318,434.75

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Solution

The third proportional to 931,566.75 and 1,318,434.75 is: 1,865,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,566.75 : 1,318,434.75 = 1,318,434.75 : x
  2. Step 2: Convert to fraction form
    931,566.75/1,318,434.75 = 1,318,434.75/x
  3. Step 3: Cross multiply
    931,566.75x = 1,318,434.75 × 1,318,434.75
  4. Step 4: Simplify right side
    931,566.75x = 1,738,270,190,007.56
  5. Step 5: Solve for x
    x = 1,738,270,190,007.56/931,566.75
  6. Step 6: Final answer
    x = 1,865,964.18

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.