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Finding the Third Proportional to 353,328 and 528,648

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Solution

The third proportional to 353,328 and 528,648 is: 790,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,328 : 528,648 = 528,648 : x
  2. Step 2: Convert to fraction form
    353,328/528,648 = 528,648/x
  3. Step 3: Cross multiply
    353,328x = 528,648 × 528,648
  4. Step 4: Simplify right side
    353,328x = 279,468,707,904
  5. Step 5: Solve for x
    x = 279,468,707,904/353,328
  6. Step 6: Final answer
    x = 790,961.11

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