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Finding the Third Proportional to 336,400 and 506,004

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Solution

The third proportional to 336,400 and 506,004 is: 761,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,400 : 506,004 = 506,004 : x
  2. Step 2: Convert to fraction form
    336,400/506,004 = 506,004/x
  3. Step 3: Cross multiply
    336,400x = 506,004 × 506,004
  4. Step 4: Simplify right side
    336,400x = 256,040,048,016
  5. Step 5: Solve for x
    x = 256,040,048,016/336,400
  6. Step 6: Final answer
    x = 761,117.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.