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Finding the Third Proportional to 373,488 and 558,912

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Solution

The third proportional to 373,488 and 558,912 is: 836,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,488 : 558,912 = 558,912 : x
  2. Step 2: Convert to fraction form
    373,488/558,912 = 558,912/x
  3. Step 3: Cross multiply
    373,488x = 558,912 × 558,912
  4. Step 4: Simplify right side
    373,488x = 312,382,623,744
  5. Step 5: Solve for x
    x = 312,382,623,744/373,488
  6. Step 6: Final answer
    x = 836,392.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.