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Finding the Third Proportional to 64,913.06 and 136,383.75

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Solution

The third proportional to 64,913.06 and 136,383.75 is: 286,545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,913.06 : 136,383.75 = 136,383.75 : x
  2. Step 2: Convert to fraction form
    64,913.06/136,383.75 = 136,383.75/x
  3. Step 3: Cross multiply
    64,913.06x = 136,383.75 × 136,383.75
  4. Step 4: Simplify right side
    64,913.06x = 18,600,527,264.06
  5. Step 5: Solve for x
    x = 18,600,527,264.06/64,913.06
  6. Step 6: Final answer
    x = 286,545.21

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.