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Finding the Third Proportional to 30,414 and 45,417

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Solution

The third proportional to 30,414 and 45,417 is: 67,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,414 : 45,417 = 45,417 : x
  2. Step 2: Convert to fraction form
    30,414/45,417 = 45,417/x
  3. Step 3: Cross multiply
    30,414x = 45,417 × 45,417
  4. Step 4: Simplify right side
    30,414x = 2,062,703,889
  5. Step 5: Solve for x
    x = 2,062,703,889/30,414
  6. Step 6: Final answer
    x = 67,820.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.