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Finding the Third Proportional to 2,158,477.88 and 4,722,872.06

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Solution

The third proportional to 2,158,477.88 and 4,722,872.06 is: 10,333,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,477.88 : 4,722,872.06 = 4,722,872.06 : x
  2. Step 2: Convert to fraction form
    2,158,477.88/4,722,872.06 = 4,722,872.06/x
  3. Step 3: Cross multiply
    2,158,477.88x = 4,722,872.06 × 4,722,872.06
  4. Step 4: Simplify right side
    2,158,477.88x = 22,305,520,518,743.00
  5. Step 5: Solve for x
    x = 22,305,520,518,743.00/2,158,477.88
  6. Step 6: Final answer
    x = 10,333,912.05

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.