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Finding the Third Proportional to 919,384.50 and 2,020,107.75

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Solution

The third proportional to 919,384.50 and 2,020,107.75 is: 4,438,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,384.50 : 2,020,107.75 = 2,020,107.75 : x
  2. Step 2: Convert to fraction form
    919,384.50/2,020,107.75 = 2,020,107.75/x
  3. Step 3: Cross multiply
    919,384.50x = 2,020,107.75 × 2,020,107.75
  4. Step 4: Simplify right side
    919,384.50x = 4,080,835,321,610.06
  5. Step 5: Solve for x
    x = 4,080,835,321,610.06/919,384.50
  6. Step 6: Final answer
    x = 4,438,660.13

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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.