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Finding the Third Proportional to 30,603 and 46,815

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Solution

The third proportional to 30,603 and 46,815 is: 71,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,603 : 46,815 = 46,815 : x
  2. Step 2: Convert to fraction form
    30,603/46,815 = 46,815/x
  3. Step 3: Cross multiply
    30,603x = 46,815 × 46,815
  4. Step 4: Simplify right side
    30,603x = 2,191,644,225
  5. Step 5: Solve for x
    x = 2,191,644,225/30,603
  6. Step 6: Final answer
    x = 71,615.34

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.