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Finding the Third Proportional to 54,495 and 75,045

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Solution

The third proportional to 54,495 and 75,045 is: 103,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,495 : 75,045 = 75,045 : x
  2. Step 2: Convert to fraction form
    54,495/75,045 = 75,045/x
  3. Step 3: Cross multiply
    54,495x = 75,045 × 75,045
  4. Step 4: Simplify right side
    54,495x = 5,631,752,025
  5. Step 5: Solve for x
    x = 5,631,752,025/54,495
  6. Step 6: Final answer
    x = 103,344.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.