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Finding the Third Proportional to 179,920 and 264,047.50

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Solution

The third proportional to 179,920 and 264,047.50 is: 387,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,920 : 264,047.50 = 264,047.50 : x
  2. Step 2: Convert to fraction form
    179,920/264,047.50 = 264,047.50/x
  3. Step 3: Cross multiply
    179,920x = 264,047.50 × 264,047.50
  4. Step 4: Simplify right side
    179,920x = 69,721,082,256.25
  5. Step 5: Solve for x
    x = 69,721,082,256.25/179,920
  6. Step 6: Final answer
    x = 387,511.57

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.