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Finding the Third Proportional to 69,547 and 104,645

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Solution

The third proportional to 69,547 and 104,645 is: 157,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,547 : 104,645 = 104,645 : x
  2. Step 2: Convert to fraction form
    69,547/104,645 = 104,645/x
  3. Step 3: Cross multiply
    69,547x = 104,645 × 104,645
  4. Step 4: Simplify right side
    69,547x = 10,950,576,025
  5. Step 5: Solve for x
    x = 10,950,576,025/69,547
  6. Step 6: Final answer
    x = 157,455.76

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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.