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Finding the Third Proportional to 156,453.25 and 336,484

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Solution

The third proportional to 156,453.25 and 336,484 is: 723,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,453.25 : 336,484 = 336,484 : x
  2. Step 2: Convert to fraction form
    156,453.25/336,484 = 336,484/x
  3. Step 3: Cross multiply
    156,453.25x = 336,484 × 336,484
  4. Step 4: Simplify right side
    156,453.25x = 113,221,482,256
  5. Step 5: Solve for x
    x = 113,221,482,256/156,453.25
  6. Step 6: Final answer
    x = 723,676.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.