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Finding the Third Proportional to 30,938 and 46,291

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Solution

The third proportional to 30,938 and 46,291 is: 69,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,938 : 46,291 = 46,291 : x
  2. Step 2: Convert to fraction form
    30,938/46,291 = 46,291/x
  3. Step 3: Cross multiply
    30,938x = 46,291 × 46,291
  4. Step 4: Simplify right side
    30,938x = 2,142,856,681
  5. Step 5: Solve for x
    x = 2,142,856,681/30,938
  6. Step 6: Final answer
    x = 69,262.93

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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.