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Finding the Third Proportional to 116,611.50 and 180,070.50

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Solution

The third proportional to 116,611.50 and 180,070.50 is: 278,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,611.50 : 180,070.50 = 180,070.50 : x
  2. Step 2: Convert to fraction form
    116,611.50/180,070.50 = 180,070.50/x
  3. Step 3: Cross multiply
    116,611.50x = 180,070.50 × 180,070.50
  4. Step 4: Simplify right side
    116,611.50x = 32,425,384,970.25
  5. Step 5: Solve for x
    x = 32,425,384,970.25/116,611.50
  6. Step 6: Final answer
    x = 278,063.36

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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.