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Finding the Third Proportional to 1,653,999.75 and 3,561,424.88

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Solution

The third proportional to 1,653,999.75 and 3,561,424.88 is: 7,668,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,999.75 : 3,561,424.88 = 3,561,424.88 : x
  2. Step 2: Convert to fraction form
    1,653,999.75/3,561,424.88 = 3,561,424.88/x
  3. Step 3: Cross multiply
    1,653,999.75x = 3,561,424.88 × 3,561,424.88
  4. Step 4: Simplify right side
    1,653,999.75x = 12,683,747,140,268.77
  5. Step 5: Solve for x
    x = 12,683,747,140,268.77/1,653,999.75
  6. Step 6: Final answer
    x = 7,668,530.26

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.