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Finding the Third Proportional to 897,540.75 and 1,921,209.75

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Solution

The third proportional to 897,540.75 and 1,921,209.75 is: 4,112,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,540.75 : 1,921,209.75 = 1,921,209.75 : x
  2. Step 2: Convert to fraction form
    897,540.75/1,921,209.75 = 1,921,209.75/x
  3. Step 3: Cross multiply
    897,540.75x = 1,921,209.75 × 1,921,209.75
  4. Step 4: Simplify right side
    897,540.75x = 3,691,046,903,495.06
  5. Step 5: Solve for x
    x = 3,691,046,903,495.06/897,540.75
  6. Step 6: Final answer
    x = 4,112,400.36

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.