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Finding the Third Proportional to 368,362 and 553,910

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Solution

The third proportional to 368,362 and 553,910 is: 832,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,362 : 553,910 = 553,910 : x
  2. Step 2: Convert to fraction form
    368,362/553,910 = 553,910/x
  3. Step 3: Cross multiply
    368,362x = 553,910 × 553,910
  4. Step 4: Simplify right side
    368,362x = 306,816,288,100
  5. Step 5: Solve for x
    x = 306,816,288,100/368,362
  6. Step 6: Final answer
    x = 832,920.57

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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.