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Finding the Third Proportional to 172,410.75 and 365,346

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Solution

The third proportional to 172,410.75 and 365,346 is: 774,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,410.75 : 365,346 = 365,346 : x
  2. Step 2: Convert to fraction form
    172,410.75/365,346 = 365,346/x
  3. Step 3: Cross multiply
    172,410.75x = 365,346 × 365,346
  4. Step 4: Simplify right side
    172,410.75x = 133,477,699,716
  5. Step 5: Solve for x
    x = 133,477,699,716/172,410.75
  6. Step 6: Final answer
    x = 774,184.32

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.