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Finding the Third Proportional to 30,792 and 46,408

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Solution

The third proportional to 30,792 and 46,408 is: 69,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,792 : 46,408 = 46,408 : x
  2. Step 2: Convert to fraction form
    30,792/46,408 = 46,408/x
  3. Step 3: Cross multiply
    30,792x = 46,408 × 46,408
  4. Step 4: Simplify right side
    30,792x = 2,153,702,464
  5. Step 5: Solve for x
    x = 2,153,702,464/30,792
  6. Step 6: Final answer
    x = 69,943.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.