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Finding the Third Proportional to 368,360 and 553,908

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Solution

The third proportional to 368,360 and 553,908 is: 832,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,360 : 553,908 = 553,908 : x
  2. Step 2: Convert to fraction form
    368,360/553,908 = 553,908/x
  3. Step 3: Cross multiply
    368,360x = 553,908 × 553,908
  4. Step 4: Simplify right side
    368,360x = 306,814,072,464
  5. Step 5: Solve for x
    x = 306,814,072,464/368,360
  6. Step 6: Final answer
    x = 832,919.08

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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.