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Finding the Third Proportional to 64,308 and 102,331

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Solution

The third proportional to 64,308 and 102,331 is: 162,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,308 : 102,331 = 102,331 : x
  2. Step 2: Convert to fraction form
    64,308/102,331 = 102,331/x
  3. Step 3: Cross multiply
    64,308x = 102,331 × 102,331
  4. Step 4: Simplify right side
    64,308x = 10,471,633,561
  5. Step 5: Solve for x
    x = 10,471,633,561/64,308
  6. Step 6: Final answer
    x = 162,835.63

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.