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Finding the Third Proportional to 189,063 and 292,707

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Solution

The third proportional to 189,063 and 292,707 is: 453,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,063 : 292,707 = 292,707 : x
  2. Step 2: Convert to fraction form
    189,063/292,707 = 292,707/x
  3. Step 3: Cross multiply
    189,063x = 292,707 × 292,707
  4. Step 4: Simplify right side
    189,063x = 85,677,387,849
  5. Step 5: Solve for x
    x = 85,677,387,849/189,063
  6. Step 6: Final answer
    x = 453,168.46

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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.