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Finding the Third Proportional to 66,224 and 99,482

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Solution

The third proportional to 66,224 and 99,482 is: 149,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,224 : 99,482 = 99,482 : x
  2. Step 2: Convert to fraction form
    66,224/99,482 = 99,482/x
  3. Step 3: Cross multiply
    66,224x = 99,482 × 99,482
  4. Step 4: Simplify right side
    66,224x = 9,896,668,324
  5. Step 5: Solve for x
    x = 9,896,668,324/66,224
  6. Step 6: Final answer
    x = 149,442.32

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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.