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Finding the Third Proportional to 40,918.50 and 85,968

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Solution

The third proportional to 40,918.50 and 85,968 is: 180,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,918.50 : 85,968 = 85,968 : x
  2. Step 2: Convert to fraction form
    40,918.50/85,968 = 85,968/x
  3. Step 3: Cross multiply
    40,918.50x = 85,968 × 85,968
  4. Step 4: Simplify right side
    40,918.50x = 7,390,497,024
  5. Step 5: Solve for x
    x = 7,390,497,024/40,918.50
  6. Step 6: Final answer
    x = 180,615.05

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.