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Finding the Third Proportional to 214,467.50 and 423,552.50

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Solution

The third proportional to 214,467.50 and 423,552.50 is: 836,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,467.50 : 423,552.50 = 423,552.50 : x
  2. Step 2: Convert to fraction form
    214,467.50/423,552.50 = 423,552.50/x
  3. Step 3: Cross multiply
    214,467.50x = 423,552.50 × 423,552.50
  4. Step 4: Simplify right side
    214,467.50x = 179,396,720,256.25
  5. Step 5: Solve for x
    x = 179,396,720,256.25/214,467.50
  6. Step 6: Final answer
    x = 836,475.08

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.