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Finding the Third Proportional to 4,999,978.50 and 7,079,577

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Solution

The third proportional to 4,999,978.50 and 7,079,577 is: 10,024,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999,978.50 : 7,079,577 = 7,079,577 : x
  2. Step 2: Convert to fraction form
    4,999,978.50/7,079,577 = 7,079,577/x
  3. Step 3: Cross multiply
    4,999,978.50x = 7,079,577 × 7,079,577
  4. Step 4: Simplify right side
    4,999,978.50x = 50,120,410,498,929
  5. Step 5: Solve for x
    x = 50,120,410,498,929/4,999,978.50
  6. Step 6: Final answer
    x = 10,024,125.20

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.