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Finding the Third Proportional to 189,737 and 285,852

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Solution

The third proportional to 189,737 and 285,852 is: 430,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,737 : 285,852 = 285,852 : x
  2. Step 2: Convert to fraction form
    189,737/285,852 = 285,852/x
  3. Step 3: Cross multiply
    189,737x = 285,852 × 285,852
  4. Step 4: Simplify right side
    189,737x = 81,711,365,904
  5. Step 5: Solve for x
    x = 81,711,365,904/189,737
  6. Step 6: Final answer
    x = 430,655.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.