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Finding the Third Proportional to 46,372 and 69,992

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Solution

The third proportional to 46,372 and 69,992 is: 105,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,372 : 69,992 = 69,992 : x
  2. Step 2: Convert to fraction form
    46,372/69,992 = 69,992/x
  3. Step 3: Cross multiply
    46,372x = 69,992 × 69,992
  4. Step 4: Simplify right side
    46,372x = 4,898,880,064
  5. Step 5: Solve for x
    x = 4,898,880,064/46,372
  6. Step 6: Final answer
    x = 105,643.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.