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Finding the Third Proportional to 154,354.50 and 333,312.75

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Solution

The third proportional to 154,354.50 and 333,312.75 is: 719,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,354.50 : 333,312.75 = 333,312.75 : x
  2. Step 2: Convert to fraction form
    154,354.50/333,312.75 = 333,312.75/x
  3. Step 3: Cross multiply
    154,354.50x = 333,312.75 × 333,312.75
  4. Step 4: Simplify right side
    154,354.50x = 111,097,389,312.56
  5. Step 5: Solve for x
    x = 111,097,389,312.56/154,354.50
  6. Step 6: Final answer
    x = 719,754.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.