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Finding the Third Proportional to 170,832,689 and 255,129,580

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Solution

The third proportional to 170,832,689 and 255,129,580 is: 381,022,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,832,689 : 255,129,580 = 255,129,580 : x
  2. Step 2: Convert to fraction form
    170,832,689/255,129,580 = 255,129,580/x
  3. Step 3: Cross multiply
    170,832,689x = 255,129,580 × 255,129,580
  4. Step 4: Simplify right side
    170,832,689x = 65,091,102,590,976,400
  5. Step 5: Solve for x
    x = 65,091,102,590,976,400/170,832,689
  6. Step 6: Final answer
    x = 381,022,525.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.