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Finding the Third Proportional to 164,324.50 and 336,437

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Solution

The third proportional to 164,324.50 and 336,437 is: 688,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,324.50 : 336,437 = 336,437 : x
  2. Step 2: Convert to fraction form
    164,324.50/336,437 = 336,437/x
  3. Step 3: Cross multiply
    164,324.50x = 336,437 × 336,437
  4. Step 4: Simplify right side
    164,324.50x = 113,189,854,969
  5. Step 5: Solve for x
    x = 113,189,854,969/164,324.50
  6. Step 6: Final answer
    x = 688,819.10

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.