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Finding the Third Proportional to 46,324 and 71,772

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Solution

The third proportional to 46,324 and 71,772 is: 111,199.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,324 : 71,772 = 71,772 : x
  2. Step 2: Convert to fraction form
    46,324/71,772 = 71,772/x
  3. Step 3: Cross multiply
    46,324x = 71,772 × 71,772
  4. Step 4: Simplify right side
    46,324x = 5,151,219,984
  5. Step 5: Solve for x
    x = 5,151,219,984/46,324
  6. Step 6: Final answer
    x = 111,199.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.