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Finding the Third Proportional to 262,462.50 and 407,181

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Solution

The third proportional to 262,462.50 and 407,181 is: 631,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,462.50 : 407,181 = 407,181 : x
  2. Step 2: Convert to fraction form
    262,462.50/407,181 = 407,181/x
  3. Step 3: Cross multiply
    262,462.50x = 407,181 × 407,181
  4. Step 4: Simplify right side
    262,462.50x = 165,796,366,761
  5. Step 5: Solve for x
    x = 165,796,366,761/262,462.50
  6. Step 6: Final answer
    x = 631,695.45

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.