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Finding the Third Proportional to 388,806.75 and 555,994.13

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Solution

The third proportional to 388,806.75 and 555,994.13 is: 795,072.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,806.75 : 555,994.13 = 555,994.13 : x
  2. Step 2: Convert to fraction form
    388,806.75/555,994.13 = 555,994.13/x
  3. Step 3: Cross multiply
    388,806.75x = 555,994.13 × 555,994.13
  4. Step 4: Simplify right side
    388,806.75x = 309,129,467,034.52
  5. Step 5: Solve for x
    x = 309,129,467,034.52/388,806.75
  6. Step 6: Final answer
    x = 795,072.27

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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.