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Finding the Third Proportional to 40,297.50 and 87,507

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Solution

The third proportional to 40,297.50 and 87,507 is: 190,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,297.50 : 87,507 = 87,507 : x
  2. Step 2: Convert to fraction form
    40,297.50/87,507 = 87,507/x
  3. Step 3: Cross multiply
    40,297.50x = 87,507 × 87,507
  4. Step 4: Simplify right side
    40,297.50x = 7,657,475,049
  5. Step 5: Solve for x
    x = 7,657,475,049/40,297.50
  6. Step 6: Final answer
    x = 190,023.58

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.