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Finding the Third Proportional to 369,755.50 and 528,389.25

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Solution

The third proportional to 369,755.50 and 528,389.25 is: 755,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,755.50 : 528,389.25 = 528,389.25 : x
  2. Step 2: Convert to fraction form
    369,755.50/528,389.25 = 528,389.25/x
  3. Step 3: Cross multiply
    369,755.50x = 528,389.25 × 528,389.25
  4. Step 4: Simplify right side
    369,755.50x = 279,195,199,515.56
  5. Step 5: Solve for x
    x = 279,195,199,515.56/369,755.50
  6. Step 6: Final answer
    x = 755,080.59

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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.