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Finding the Third Proportional to 158,770 and 225,681

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Solution

The third proportional to 158,770 and 225,681 is: 320,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,770 : 225,681 = 225,681 : x
  2. Step 2: Convert to fraction form
    158,770/225,681 = 225,681/x
  3. Step 3: Cross multiply
    158,770x = 225,681 × 225,681
  4. Step 4: Simplify right side
    158,770x = 50,931,913,761
  5. Step 5: Solve for x
    x = 50,931,913,761/158,770
  6. Step 6: Final answer
    x = 320,790.54

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.