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Finding the Third Proportional to 3,055,487 and 6,721,120

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Solution

The third proportional to 3,055,487 and 6,721,120 is: 14,784,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055,487 : 6,721,120 = 6,721,120 : x
  2. Step 2: Convert to fraction form
    3,055,487/6,721,120 = 6,721,120/x
  3. Step 3: Cross multiply
    3,055,487x = 6,721,120 × 6,721,120
  4. Step 4: Simplify right side
    3,055,487x = 45,173,454,054,400
  5. Step 5: Solve for x
    x = 45,173,454,054,400/3,055,487
  6. Step 6: Final answer
    x = 14,784,371.22

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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.