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Finding the Third Proportional to 1,373,681.50 and 3,021,422

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Solution

The third proportional to 1,373,681.50 and 3,021,422 is: 6,645,638.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,681.50 : 3,021,422 = 3,021,422 : x
  2. Step 2: Convert to fraction form
    1,373,681.50/3,021,422 = 3,021,422/x
  3. Step 3: Cross multiply
    1,373,681.50x = 3,021,422 × 3,021,422
  4. Step 4: Simplify right side
    1,373,681.50x = 9,128,990,902,084
  5. Step 5: Solve for x
    x = 9,128,990,902,084/1,373,681.50
  6. Step 6: Final answer
    x = 6,645,638.67

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.