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Finding the Third Proportional to 161,763.75 and 250,220.81

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Solution

The third proportional to 161,763.75 and 250,220.81 is: 387,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,763.75 : 250,220.81 = 250,220.81 : x
  2. Step 2: Convert to fraction form
    161,763.75/250,220.81 = 250,220.81/x
  3. Step 3: Cross multiply
    161,763.75x = 250,220.81 × 250,220.81
  4. Step 4: Simplify right side
    161,763.75x = 62,610,455,008.16
  5. Step 5: Solve for x
    x = 62,610,455,008.16/161,763.75
  6. Step 6: Final answer
    x = 387,048.74

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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.