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Finding the Third Proportional to 110,428.50 and 175,135.50

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Solution

The third proportional to 110,428.50 and 175,135.50 is: 277,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,428.50 : 175,135.50 = 175,135.50 : x
  2. Step 2: Convert to fraction form
    110,428.50/175,135.50 = 175,135.50/x
  3. Step 3: Cross multiply
    110,428.50x = 175,135.50 × 175,135.50
  4. Step 4: Simplify right side
    110,428.50x = 30,672,443,360.25
  5. Step 5: Solve for x
    x = 30,672,443,360.25/110,428.50
  6. Step 6: Final answer
    x = 277,758.40

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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.