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Finding the Third Proportional to 84,734.50 and 182,603

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Solution

The third proportional to 84,734.50 and 182,603 is: 393,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,734.50 : 182,603 = 182,603 : x
  2. Step 2: Convert to fraction form
    84,734.50/182,603 = 182,603/x
  3. Step 3: Cross multiply
    84,734.50x = 182,603 × 182,603
  4. Step 4: Simplify right side
    84,734.50x = 33,343,855,609
  5. Step 5: Solve for x
    x = 33,343,855,609/84,734.50
  6. Step 6: Final answer
    x = 393,509.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.