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Finding the Third Proportional to 64,289 and 96,370

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Solution

The third proportional to 64,289 and 96,370 is: 144,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,289 : 96,370 = 96,370 : x
  2. Step 2: Convert to fraction form
    64,289/96,370 = 96,370/x
  3. Step 3: Cross multiply
    64,289x = 96,370 × 96,370
  4. Step 4: Simplify right side
    64,289x = 9,287,176,900
  5. Step 5: Solve for x
    x = 9,287,176,900/64,289
  6. Step 6: Final answer
    x = 144,459.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.