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Finding the Third Proportional to 60,616 and 91,480

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Solution

The third proportional to 60,616 and 91,480 is: 138,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,616 : 91,480 = 91,480 : x
  2. Step 2: Convert to fraction form
    60,616/91,480 = 91,480/x
  3. Step 3: Cross multiply
    60,616x = 91,480 × 91,480
  4. Step 4: Simplify right side
    60,616x = 8,368,590,400
  5. Step 5: Solve for x
    x = 8,368,590,400/60,616
  6. Step 6: Final answer
    x = 138,059.10

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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.