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Finding the Third Proportional to 110,090.71 and 168,689.94

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Solution

The third proportional to 110,090.71 and 168,689.94 is: 258,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,090.71 : 168,689.94 = 168,689.94 : x
  2. Step 2: Convert to fraction form
    110,090.71/168,689.94 = 168,689.94/x
  3. Step 3: Cross multiply
    110,090.71x = 168,689.94 × 168,689.94
  4. Step 4: Simplify right side
    110,090.71x = 28,456,294,354.81
  5. Step 5: Solve for x
    x = 28,456,294,354.81/110,090.71
  6. Step 6: Final answer
    x = 258,480.44

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.