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Finding the Third Proportional to 64,502.25 and 136,840.88

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Solution

The third proportional to 64,502.25 and 136,840.88 is: 290,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,502.25 : 136,840.88 = 136,840.88 : x
  2. Step 2: Convert to fraction form
    64,502.25/136,840.88 = 136,840.88/x
  3. Step 3: Cross multiply
    64,502.25x = 136,840.88 × 136,840.88
  4. Step 4: Simplify right side
    64,502.25x = 18,725,425,070.77
  5. Step 5: Solve for x
    x = 18,725,425,070.77/64,502.25
  6. Step 6: Final answer
    x = 290,306.54

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.