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Finding the Third Proportional to 4,052,580 and 8,777,661

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Solution

The third proportional to 4,052,580 and 8,777,661 is: 19,011,921.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,052,580 : 8,777,661 = 8,777,661 : x
  2. Step 2: Convert to fraction form
    4,052,580/8,777,661 = 8,777,661/x
  3. Step 3: Cross multiply
    4,052,580x = 8,777,661 × 8,777,661
  4. Step 4: Simplify right side
    4,052,580x = 77,047,332,630,921
  5. Step 5: Solve for x
    x = 77,047,332,630,921/4,052,580
  6. Step 6: Final answer
    x = 19,011,921.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.