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Finding the Third Proportional to 84,457.50 and 183,518

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Solution

The third proportional to 84,457.50 and 183,518 is: 398,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,457.50 : 183,518 = 183,518 : x
  2. Step 2: Convert to fraction form
    84,457.50/183,518 = 183,518/x
  3. Step 3: Cross multiply
    84,457.50x = 183,518 × 183,518
  4. Step 4: Simplify right side
    84,457.50x = 33,678,856,324
  5. Step 5: Solve for x
    x = 33,678,856,324/84,457.50
  6. Step 6: Final answer
    x = 398,766.91

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.