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Finding the Third Proportional to 117,031.50 and 180,812.25

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Solution

The third proportional to 117,031.50 and 180,812.25 is: 279,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,031.50 : 180,812.25 = 180,812.25 : x
  2. Step 2: Convert to fraction form
    117,031.50/180,812.25 = 180,812.25/x
  3. Step 3: Cross multiply
    117,031.50x = 180,812.25 × 180,812.25
  4. Step 4: Simplify right side
    117,031.50x = 32,693,069,750.06
  5. Step 5: Solve for x
    x = 32,693,069,750.06/117,031.50
  6. Step 6: Final answer
    x = 279,352.74

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.