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Finding the Third Proportional to 369,810 and 528,444

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Solution

The third proportional to 369,810 and 528,444 is: 755,125.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,810 : 528,444 = 528,444 : x
  2. Step 2: Convert to fraction form
    369,810/528,444 = 528,444/x
  3. Step 3: Cross multiply
    369,810x = 528,444 × 528,444
  4. Step 4: Simplify right side
    369,810x = 279,253,061,136
  5. Step 5: Solve for x
    x = 279,253,061,136/369,810
  6. Step 6: Final answer
    x = 755,125.77

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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.