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Finding the Third Proportional to 3,554,216.25 and 7,674,780

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Solution

The third proportional to 3,554,216.25 and 7,674,780 is: 16,572,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554,216.25 : 7,674,780 = 7,674,780 : x
  2. Step 2: Convert to fraction form
    3,554,216.25/7,674,780 = 7,674,780/x
  3. Step 3: Cross multiply
    3,554,216.25x = 7,674,780 × 7,674,780
  4. Step 4: Simplify right side
    3,554,216.25x = 58,902,248,048,400
  5. Step 5: Solve for x
    x = 58,902,248,048,400/3,554,216.25
  6. Step 6: Final answer
    x = 16,572,499.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.