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Finding the Third Proportional to 349,962.75 and 558,175.50

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Solution

The third proportional to 349,962.75 and 558,175.50 is: 890,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,962.75 : 558,175.50 = 558,175.50 : x
  2. Step 2: Convert to fraction form
    349,962.75/558,175.50 = 558,175.50/x
  3. Step 3: Cross multiply
    349,962.75x = 558,175.50 × 558,175.50
  4. Step 4: Simplify right side
    349,962.75x = 311,559,888,800.25
  5. Step 5: Solve for x
    x = 311,559,888,800.25/349,962.75
  6. Step 6: Final answer
    x = 890,265.86

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.