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Finding the Third Proportional to 154,893.75 and 318,124.88

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Solution

The third proportional to 154,893.75 and 318,124.88 is: 653,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,893.75 : 318,124.88 = 318,124.88 : x
  2. Step 2: Convert to fraction form
    154,893.75/318,124.88 = 318,124.88/x
  3. Step 3: Cross multiply
    154,893.75x = 318,124.88 × 318,124.88
  4. Step 4: Simplify right side
    154,893.75x = 101,203,436,093.77
  5. Step 5: Solve for x
    x = 101,203,436,093.77/154,893.75
  6. Step 6: Final answer
    x = 653,373.27

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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.