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Finding the Third Proportional to 351,640 and 559,068

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Solution

The third proportional to 351,640 and 559,068 is: 888,855.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,640 : 559,068 = 559,068 : x
  2. Step 2: Convert to fraction form
    351,640/559,068 = 559,068/x
  3. Step 3: Cross multiply
    351,640x = 559,068 × 559,068
  4. Step 4: Simplify right side
    351,640x = 312,557,028,624
  5. Step 5: Solve for x
    x = 312,557,028,624/351,640
  6. Step 6: Final answer
    x = 888,855.16

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.