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Finding the Third Proportional to 382,525.50 and 840,543

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Solution

The third proportional to 382,525.50 and 840,543 is: 1,846,968.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,525.50 : 840,543 = 840,543 : x
  2. Step 2: Convert to fraction form
    382,525.50/840,543 = 840,543/x
  3. Step 3: Cross multiply
    382,525.50x = 840,543 × 840,543
  4. Step 4: Simplify right side
    382,525.50x = 706,512,534,849
  5. Step 5: Solve for x
    x = 706,512,534,849/382,525.50
  6. Step 6: Final answer
    x = 1,846,968.46

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.