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Finding the Third Proportional to 349,174.50 and 557,889

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Solution

The third proportional to 349,174.50 and 557,889 is: 891,359.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,174.50 : 557,889 = 557,889 : x
  2. Step 2: Convert to fraction form
    349,174.50/557,889 = 557,889/x
  3. Step 3: Cross multiply
    349,174.50x = 557,889 × 557,889
  4. Step 4: Simplify right side
    349,174.50x = 311,240,136,321
  5. Step 5: Solve for x
    x = 311,240,136,321/349,174.50
  6. Step 6: Final answer
    x = 891,359.87

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.