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Finding the Third Proportional to 1,437,284.25 and 1,998,432

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Solution

The third proportional to 1,437,284.25 and 1,998,432 is: 2,778,664.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,284.25 : 1,998,432 = 1,998,432 : x
  2. Step 2: Convert to fraction form
    1,437,284.25/1,998,432 = 1,998,432/x
  3. Step 3: Cross multiply
    1,437,284.25x = 1,998,432 × 1,998,432
  4. Step 4: Simplify right side
    1,437,284.25x = 3,993,730,458,624
  5. Step 5: Solve for x
    x = 3,993,730,458,624/1,437,284.25
  6. Step 6: Final answer
    x = 2,778,664.32

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.