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Finding the Third Proportional to 75,341.81 and 102,323.25

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Solution

The third proportional to 75,341.81 and 102,323.25 is: 138,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,341.81 : 102,323.25 = 102,323.25 : x
  2. Step 2: Convert to fraction form
    75,341.81/102,323.25 = 102,323.25/x
  3. Step 3: Cross multiply
    75,341.81x = 102,323.25 × 102,323.25
  4. Step 4: Simplify right side
    75,341.81x = 10,470,047,490.56
  5. Step 5: Solve for x
    x = 10,470,047,490.56/75,341.81
  6. Step 6: Final answer
    x = 138,967.29

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.