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Finding the Third Proportional to 943,020 and 1,929,615.75

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Solution

The third proportional to 943,020 and 1,929,615.75 is: 3,948,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,020 : 1,929,615.75 = 1,929,615.75 : x
  2. Step 2: Convert to fraction form
    943,020/1,929,615.75 = 1,929,615.75/x
  3. Step 3: Cross multiply
    943,020x = 1,929,615.75 × 1,929,615.75
  4. Step 4: Simplify right side
    943,020x = 3,723,416,942,648.06
  5. Step 5: Solve for x
    x = 3,723,416,942,648.06/943,020
  6. Step 6: Final answer
    x = 3,948,396.58

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.