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Finding the Third Proportional to 68,802.54 and 139,541.48

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Solution

The third proportional to 68,802.54 and 139,541.48 is: 283,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,802.54 : 139,541.48 = 139,541.48 : x
  2. Step 2: Convert to fraction form
    68,802.54/139,541.48 = 139,541.48/x
  3. Step 3: Cross multiply
    68,802.54x = 139,541.48 × 139,541.48
  4. Step 4: Simplify right side
    68,802.54x = 19,471,825,861.58
  5. Step 5: Solve for x
    x = 19,471,825,861.58/68,802.54
  6. Step 6: Final answer
    x = 283,010.28

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.