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Finding the Third Proportional to 269,948 and 590,590

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Solution

The third proportional to 269,948 and 590,590 is: 1,292,087.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,948 : 590,590 = 590,590 : x
  2. Step 2: Convert to fraction form
    269,948/590,590 = 590,590/x
  3. Step 3: Cross multiply
    269,948x = 590,590 × 590,590
  4. Step 4: Simplify right side
    269,948x = 348,796,548,100
  5. Step 5: Solve for x
    x = 348,796,548,100/269,948
  6. Step 6: Final answer
    x = 1,292,087.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.