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Finding the Third Proportional to 5,179,252.50 and 7,840,777.50

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Solution

The third proportional to 5,179,252.50 and 7,840,777.50 is: 11,870,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179,252.50 : 7,840,777.50 = 7,840,777.50 : x
  2. Step 2: Convert to fraction form
    5,179,252.50/7,840,777.50 = 7,840,777.50/x
  3. Step 3: Cross multiply
    5,179,252.50x = 7,840,777.50 × 7,840,777.50
  4. Step 4: Simplify right side
    5,179,252.50x = 61,477,791,804,506.25
  5. Step 5: Solve for x
    x = 61,477,791,804,506.25/5,179,252.50
  6. Step 6: Final answer
    x = 11,870,012.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.