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Finding the Third Proportional to 373,812 and 579,780

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Solution

The third proportional to 373,812 and 579,780 is: 899,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,812 : 579,780 = 579,780 : x
  2. Step 2: Convert to fraction form
    373,812/579,780 = 579,780/x
  3. Step 3: Cross multiply
    373,812x = 579,780 × 579,780
  4. Step 4: Simplify right side
    373,812x = 336,144,848,400
  5. Step 5: Solve for x
    x = 336,144,848,400/373,812
  6. Step 6: Final answer
    x = 899,235.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.