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Finding the Third Proportional to 369,756 and 561,546

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Solution

The third proportional to 369,756 and 561,546 is: 852,816.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,756 : 561,546 = 561,546 : x
  2. Step 2: Convert to fraction form
    369,756/561,546 = 561,546/x
  3. Step 3: Cross multiply
    369,756x = 561,546 × 561,546
  4. Step 4: Simplify right side
    369,756x = 315,333,910,116
  5. Step 5: Solve for x
    x = 315,333,910,116/369,756
  6. Step 6: Final answer
    x = 852,816.21

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.