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Finding the Third Proportional to 189,437 and 414,550

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Solution

The third proportional to 189,437 and 414,550 is: 907,170.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,437 : 414,550 = 414,550 : x
  2. Step 2: Convert to fraction form
    189,437/414,550 = 414,550/x
  3. Step 3: Cross multiply
    189,437x = 414,550 × 414,550
  4. Step 4: Simplify right side
    189,437x = 171,851,702,500
  5. Step 5: Solve for x
    x = 171,851,702,500/189,437
  6. Step 6: Final answer
    x = 907,170.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.