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Finding the Third Proportional to 336,777 and 715,068

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Solution

The third proportional to 336,777 and 715,068 is: 1,518,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,777 : 715,068 = 715,068 : x
  2. Step 2: Convert to fraction form
    336,777/715,068 = 715,068/x
  3. Step 3: Cross multiply
    336,777x = 715,068 × 715,068
  4. Step 4: Simplify right side
    336,777x = 511,322,244,624
  5. Step 5: Solve for x
    x = 511,322,244,624/336,777
  6. Step 6: Final answer
    x = 1,518,281.37

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.