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Finding the Third Proportional to 352,440 and 528,768

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Solution

The third proportional to 352,440 and 528,768 is: 793,314.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,440 : 528,768 = 528,768 : x
  2. Step 2: Convert to fraction form
    352,440/528,768 = 528,768/x
  3. Step 3: Cross multiply
    352,440x = 528,768 × 528,768
  4. Step 4: Simplify right side
    352,440x = 279,595,597,824
  5. Step 5: Solve for x
    x = 279,595,597,824/352,440
  6. Step 6: Final answer
    x = 793,314.03

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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.