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Finding the Third Proportional to 578,025 and 767,173.50

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Solution

The third proportional to 578,025 and 767,173.50 is: 1,018,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,025 : 767,173.50 = 767,173.50 : x
  2. Step 2: Convert to fraction form
    578,025/767,173.50 = 767,173.50/x
  3. Step 3: Cross multiply
    578,025x = 767,173.50 × 767,173.50
  4. Step 4: Simplify right side
    578,025x = 588,555,179,102.25
  5. Step 5: Solve for x
    x = 588,555,179,102.25/578,025
  6. Step 6: Final answer
    x = 1,018,217.51

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.