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Finding the Third Proportional to 578,623.50 and 889,926.75

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Solution

The third proportional to 578,623.50 and 889,926.75 is: 1,368,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,623.50 : 889,926.75 = 889,926.75 : x
  2. Step 2: Convert to fraction form
    578,623.50/889,926.75 = 889,926.75/x
  3. Step 3: Cross multiply
    578,623.50x = 889,926.75 × 889,926.75
  4. Step 4: Simplify right side
    578,623.50x = 791,969,620,365.56
  5. Step 5: Solve for x
    x = 791,969,620,365.56/578,623.50
  6. Step 6: Final answer
    x = 1,368,713.20

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.