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Finding the Third Proportional to 84,980.25 and 124,996.50

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Solution

The third proportional to 84,980.25 and 124,996.50 is: 183,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,980.25 : 124,996.50 = 124,996.50 : x
  2. Step 2: Convert to fraction form
    84,980.25/124,996.50 = 124,996.50/x
  3. Step 3: Cross multiply
    84,980.25x = 124,996.50 × 124,996.50
  4. Step 4: Simplify right side
    84,980.25x = 15,624,125,012.25
  5. Step 5: Solve for x
    x = 15,624,125,012.25/84,980.25
  6. Step 6: Final answer
    x = 183,855.95

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.