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Finding the Third Proportional to 355,494 and 761,019

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Solution

The third proportional to 355,494 and 761,019 is: 1,629,141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,494 : 761,019 = 761,019 : x
  2. Step 2: Convert to fraction form
    355,494/761,019 = 761,019/x
  3. Step 3: Cross multiply
    355,494x = 761,019 × 761,019
  4. Step 4: Simplify right side
    355,494x = 579,149,918,361
  5. Step 5: Solve for x
    x = 579,149,918,361/355,494
  6. Step 6: Final answer
    x = 1,629,141.19

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.