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Finding the Third Proportional to 108,428.06 and 234,955.41

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Solution

The third proportional to 108,428.06 and 234,955.41 is: 509,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,428.06 : 234,955.41 = 234,955.41 : x
  2. Step 2: Convert to fraction form
    108,428.06/234,955.41 = 234,955.41/x
  3. Step 3: Cross multiply
    108,428.06x = 234,955.41 × 234,955.41
  4. Step 4: Simplify right side
    108,428.06x = 55,204,042,926.10
  5. Step 5: Solve for x
    x = 55,204,042,926.10/108,428.06
  6. Step 6: Final answer
    x = 509,130.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.