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Finding the Third Proportional to 35,059.25 and 77,130

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Solution

The third proportional to 35,059.25 and 77,130 is: 169,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,059.25 : 77,130 = 77,130 : x
  2. Step 2: Convert to fraction form
    35,059.25/77,130 = 77,130/x
  3. Step 3: Cross multiply
    35,059.25x = 77,130 × 77,130
  4. Step 4: Simplify right side
    35,059.25x = 5,949,036,900
  5. Step 5: Solve for x
    x = 5,949,036,900/35,059.25
  6. Step 6: Final answer
    x = 169,685.23

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.