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Finding the Third Proportional to 858,506.63 and 1,866,480.75

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Solution

The third proportional to 858,506.63 and 1,866,480.75 is: 4,057,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,506.63 : 1,866,480.75 = 1,866,480.75 : x
  2. Step 2: Convert to fraction form
    858,506.63/1,866,480.75 = 1,866,480.75/x
  3. Step 3: Cross multiply
    858,506.63x = 1,866,480.75 × 1,866,480.75
  4. Step 4: Simplify right side
    858,506.63x = 3,483,750,390,120.56
  5. Step 5: Solve for x
    x = 3,483,750,390,120.56/858,506.63
  6. Step 6: Final answer
    x = 4,057,919.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.