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Finding the Third Proportional to 329,410.50 and 719,245.50

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Solution

The third proportional to 329,410.50 and 719,245.50 is: 1,570,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,410.50 : 719,245.50 = 719,245.50 : x
  2. Step 2: Convert to fraction form
    329,410.50/719,245.50 = 719,245.50/x
  3. Step 3: Cross multiply
    329,410.50x = 719,245.50 × 719,245.50
  4. Step 4: Simplify right side
    329,410.50x = 517,314,089,270.25
  5. Step 5: Solve for x
    x = 517,314,089,270.25/329,410.50
  6. Step 6: Final answer
    x = 1,570,423.80

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.