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Finding the Third Proportional to 3,370,816.13 and 7,428,769.88

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Solution

The third proportional to 3,370,816.13 and 7,428,769.88 is: 16,371,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370,816.13 : 7,428,769.88 = 7,428,769.88 : x
  2. Step 2: Convert to fraction form
    3,370,816.13/7,428,769.88 = 7,428,769.88/x
  3. Step 3: Cross multiply
    3,370,816.13x = 7,428,769.88 × 7,428,769.88
  4. Step 4: Simplify right side
    3,370,816.13x = 55,186,621,855,707.52
  5. Step 5: Solve for x
    x = 55,186,621,855,707.52/3,370,816.13
  6. Step 6: Final answer
    x = 16,371,887.34

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.