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Finding the Third Proportional to 75,317.25 and 162,298.50

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Solution

The third proportional to 75,317.25 and 162,298.50 is: 349,731.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,317.25 : 162,298.50 = 162,298.50 : x
  2. Step 2: Convert to fraction form
    75,317.25/162,298.50 = 162,298.50/x
  3. Step 3: Cross multiply
    75,317.25x = 162,298.50 × 162,298.50
  4. Step 4: Simplify right side
    75,317.25x = 26,340,803,102.25
  5. Step 5: Solve for x
    x = 26,340,803,102.25/75,317.25
  6. Step 6: Final answer
    x = 349,731.34

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.