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Finding the Third Proportional to 72,916 and 95,746

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Solution

The third proportional to 72,916 and 95,746 is: 125,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,916 : 95,746 = 95,746 : x
  2. Step 2: Convert to fraction form
    72,916/95,746 = 95,746/x
  3. Step 3: Cross multiply
    72,916x = 95,746 × 95,746
  4. Step 4: Simplify right side
    72,916x = 9,167,296,516
  5. Step 5: Solve for x
    x = 9,167,296,516/72,916
  6. Step 6: Final answer
    x = 125,724.07

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.