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Finding the Third Proportional to 368,360 and 553,907

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Solution

The third proportional to 368,360 and 553,907 is: 832,916.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,360 : 553,907 = 553,907 : x
  2. Step 2: Convert to fraction form
    368,360/553,907 = 553,907/x
  3. Step 3: Cross multiply
    368,360x = 553,907 × 553,907
  4. Step 4: Simplify right side
    368,360x = 306,812,964,649
  5. Step 5: Solve for x
    x = 306,812,964,649/368,360
  6. Step 6: Final answer
    x = 832,916.07

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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.