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Finding the Third Proportional to 369,755.13 and 528,388.69

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Solution

The third proportional to 369,755.13 and 528,388.69 is: 755,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,755.13 : 528,388.69 = 528,388.69 : x
  2. Step 2: Convert to fraction form
    369,755.13/528,388.69 = 528,388.69/x
  3. Step 3: Cross multiply
    369,755.13x = 528,388.69 × 528,388.69
  4. Step 4: Simplify right side
    369,755.13x = 279,194,605,077.97
  5. Step 5: Solve for x
    x = 279,194,605,077.97/369,755.13
  6. Step 6: Final answer
    x = 755,079.74

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.