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Finding the Third Proportional to 110,128 and 175,038

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Solution

The third proportional to 110,128 and 175,038 is: 278,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,128 : 175,038 = 175,038 : x
  2. Step 2: Convert to fraction form
    110,128/175,038 = 175,038/x
  3. Step 3: Cross multiply
    110,128x = 175,038 × 175,038
  4. Step 4: Simplify right side
    110,128x = 30,638,301,444
  5. Step 5: Solve for x
    x = 30,638,301,444/110,128
  6. Step 6: Final answer
    x = 278,206.28

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.