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Finding the Third Proportional to 1,221,485.06 and 2,683,859.06

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Solution

The third proportional to 1,221,485.06 and 2,683,859.06 is: 5,897,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,485.06 : 2,683,859.06 = 2,683,859.06 : x
  2. Step 2: Convert to fraction form
    1,221,485.06/2,683,859.06 = 2,683,859.06/x
  3. Step 3: Cross multiply
    1,221,485.06x = 2,683,859.06 × 2,683,859.06
  4. Step 4: Simplify right side
    1,221,485.06x = 7,203,099,467,363.38
  5. Step 5: Solve for x
    x = 7,203,099,467,363.38/1,221,485.06
  6. Step 6: Final answer
    x = 5,897,001.68

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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.