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Finding the Third Proportional to 145,317 and 218,119.50

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Solution

The third proportional to 145,317 and 218,119.50 is: 327,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,317 : 218,119.50 = 218,119.50 : x
  2. Step 2: Convert to fraction form
    145,317/218,119.50 = 218,119.50/x
  3. Step 3: Cross multiply
    145,317x = 218,119.50 × 218,119.50
  4. Step 4: Simplify right side
    145,317x = 47,576,116,280.25
  5. Step 5: Solve for x
    x = 47,576,116,280.25/145,317
  6. Step 6: Final answer
    x = 327,395.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.