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Finding the Third Proportional to 124,130 and 191,811

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Solution

The third proportional to 124,130 and 191,811 is: 296,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,130 : 191,811 = 191,811 : x
  2. Step 2: Convert to fraction form
    124,130/191,811 = 191,811/x
  3. Step 3: Cross multiply
    124,130x = 191,811 × 191,811
  4. Step 4: Simplify right side
    124,130x = 36,791,459,721
  5. Step 5: Solve for x
    x = 36,791,459,721/124,130
  6. Step 6: Final answer
    x = 296,394.58

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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.