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Finding the Third Proportional to 291,024 and 626,544

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Solution

The third proportional to 291,024 and 626,544 is: 1,348,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,024 : 626,544 = 626,544 : x
  2. Step 2: Convert to fraction form
    291,024/626,544 = 626,544/x
  3. Step 3: Cross multiply
    291,024x = 626,544 × 626,544
  4. Step 4: Simplify right side
    291,024x = 392,557,383,936
  5. Step 5: Solve for x
    x = 392,557,383,936/291,024
  6. Step 6: Final answer
    x = 1,348,883.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.