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Finding the Third Proportional to 102,930.75 and 149,704.88

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Solution

The third proportional to 102,930.75 and 149,704.88 is: 217,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,930.75 : 149,704.88 = 149,704.88 : x
  2. Step 2: Convert to fraction form
    102,930.75/149,704.88 = 149,704.88/x
  3. Step 3: Cross multiply
    102,930.75x = 149,704.88 × 149,704.88
  4. Step 4: Simplify right side
    102,930.75x = 22,411,549,598.77
  5. Step 5: Solve for x
    x = 22,411,549,598.77/102,930.75
  6. Step 6: Final answer
    x = 217,734.25

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.