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Finding the Third Proportional to 255,674 and 382,053

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Solution

The third proportional to 255,674 and 382,053 is: 570,900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,674 : 382,053 = 382,053 : x
  2. Step 2: Convert to fraction form
    255,674/382,053 = 382,053/x
  3. Step 3: Cross multiply
    255,674x = 382,053 × 382,053
  4. Step 4: Simplify right side
    255,674x = 145,964,494,809
  5. Step 5: Solve for x
    x = 145,964,494,809/255,674
  6. Step 6: Final answer
    x = 570,900.81

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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.