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Finding the Third Proportional to 124,311 and 272,133

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Solution

The third proportional to 124,311 and 272,133 is: 595,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,311 : 272,133 = 272,133 : x
  2. Step 2: Convert to fraction form
    124,311/272,133 = 272,133/x
  3. Step 3: Cross multiply
    124,311x = 272,133 × 272,133
  4. Step 4: Simplify right side
    124,311x = 74,056,369,689
  5. Step 5: Solve for x
    x = 74,056,369,689/124,311
  6. Step 6: Final answer
    x = 595,734.65

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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.