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Finding the Third Proportional to 273,140 and 413,544

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Solution

The third proportional to 273,140 and 413,544 is: 626,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,140 : 413,544 = 413,544 : x
  2. Step 2: Convert to fraction form
    273,140/413,544 = 413,544/x
  3. Step 3: Cross multiply
    273,140x = 413,544 × 413,544
  4. Step 4: Simplify right side
    273,140x = 171,018,639,936
  5. Step 5: Solve for x
    x = 171,018,639,936/273,140
  6. Step 6: Final answer
    x = 626,120.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.