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Finding the Third Proportional to 355,720.99 and 839,700.11

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Solution

The third proportional to 355,720.99 and 839,700.11 is: 1,982,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,720.99 : 839,700.11 = 839,700.11 : x
  2. Step 2: Convert to fraction form
    355,720.99/839,700.11 = 839,700.11/x
  3. Step 3: Cross multiply
    355,720.99x = 839,700.11 × 839,700.11
  4. Step 4: Simplify right side
    355,720.99x = 705,096,267,124.23
  5. Step 5: Solve for x
    x = 705,096,267,124.23/355,720.99
  6. Step 6: Final answer
    x = 1,982,160.97

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.