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Finding the Third Proportional to 1,866,905.72 and 2,883,268.41

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Solution

The third proportional to 1,866,905.72 and 2,883,268.41 is: 4,452,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,905.72 : 2,883,268.41 = 2,883,268.41 : x
  2. Step 2: Convert to fraction form
    1,866,905.72/2,883,268.41 = 2,883,268.41/x
  3. Step 3: Cross multiply
    1,866,905.72x = 2,883,268.41 × 2,883,268.41
  4. Step 4: Simplify right side
    1,866,905.72x = 8,313,236,702,479.42
  5. Step 5: Solve for x
    x = 8,313,236,702,479.42/1,866,905.72
  6. Step 6: Final answer
    x = 4,452,949.40

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.