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Finding the Third Proportional to 74,373 and 113,302.50

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Solution

The third proportional to 74,373 and 113,302.50 is: 172,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,373 : 113,302.50 = 113,302.50 : x
  2. Step 2: Convert to fraction form
    74,373/113,302.50 = 113,302.50/x
  3. Step 3: Cross multiply
    74,373x = 113,302.50 × 113,302.50
  4. Step 4: Simplify right side
    74,373x = 12,837,456,506.25
  5. Step 5: Solve for x
    x = 12,837,456,506.25/74,373
  6. Step 6: Final answer
    x = 172,609.10

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.