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Finding the Third Proportional to 64,412.50 and 102,217

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Solution

The third proportional to 64,412.50 and 102,217 is: 162,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,412.50 : 102,217 = 102,217 : x
  2. Step 2: Convert to fraction form
    64,412.50/102,217 = 102,217/x
  3. Step 3: Cross multiply
    64,412.50x = 102,217 × 102,217
  4. Step 4: Simplify right side
    64,412.50x = 10,448,315,089
  5. Step 5: Solve for x
    x = 10,448,315,089/64,412.50
  6. Step 6: Final answer
    x = 162,209.43

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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.