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Finding the Third Proportional to 315,112.50 and 471,568.50

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Solution

The third proportional to 315,112.50 and 471,568.50 is: 705,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,112.50 : 471,568.50 = 471,568.50 : x
  2. Step 2: Convert to fraction form
    315,112.50/471,568.50 = 471,568.50/x
  3. Step 3: Cross multiply
    315,112.50x = 471,568.50 × 471,568.50
  4. Step 4: Simplify right side
    315,112.50x = 222,376,850,192.25
  5. Step 5: Solve for x
    x = 222,376,850,192.25/315,112.50
  6. Step 6: Final answer
    x = 705,706.22

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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.