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Finding the Third Proportional to 34,575 and 74,405

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Solution

The third proportional to 34,575 and 74,405 is: 160,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,575 : 74,405 = 74,405 : x
  2. Step 2: Convert to fraction form
    34,575/74,405 = 74,405/x
  3. Step 3: Cross multiply
    34,575x = 74,405 × 74,405
  4. Step 4: Simplify right side
    34,575x = 5,536,104,025
  5. Step 5: Solve for x
    x = 5,536,104,025/34,575
  6. Step 6: Final answer
    x = 160,118.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.