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Finding the Third Proportional to 171,611.16 and 265,720.50

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Solution

The third proportional to 171,611.16 and 265,720.50 is: 411,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,611.16 : 265,720.50 = 265,720.50 : x
  2. Step 2: Convert to fraction form
    171,611.16/265,720.50 = 265,720.50/x
  3. Step 3: Cross multiply
    171,611.16x = 265,720.50 × 265,720.50
  4. Step 4: Simplify right side
    171,611.16x = 70,607,384,120.25
  5. Step 5: Solve for x
    x = 70,607,384,120.25/171,611.16
  6. Step 6: Final answer
    x = 411,438.19

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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.