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Finding the Third Proportional to 858,817.69 and 1,330,465.50

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Solution

The third proportional to 858,817.69 and 1,330,465.50 is: 2,061,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,817.69 : 1,330,465.50 = 1,330,465.50 : x
  2. Step 2: Convert to fraction form
    858,817.69/1,330,465.50 = 1,330,465.50/x
  3. Step 3: Cross multiply
    858,817.69x = 1,330,465.50 × 1,330,465.50
  4. Step 4: Simplify right side
    858,817.69x = 1,770,138,446,690.25
  5. Step 5: Solve for x
    x = 1,770,138,446,690.25/858,817.69
  6. Step 6: Final answer
    x = 2,061,134.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.