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Finding the Third Proportional to 1,330,042.78 and 2,063,680.03

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Solution

The third proportional to 1,330,042.78 and 2,063,680.03 is: 3,201,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,042.78 : 2,063,680.03 = 2,063,680.03 : x
  2. Step 2: Convert to fraction form
    1,330,042.78/2,063,680.03 = 2,063,680.03/x
  3. Step 3: Cross multiply
    1,330,042.78x = 2,063,680.03 × 2,063,680.03
  4. Step 4: Simplify right side
    1,330,042.78x = 4,258,775,271,380.00
  5. Step 5: Solve for x
    x = 4,258,775,271,380.00/1,330,042.78
  6. Step 6: Final answer
    x = 3,201,983.67

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.