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Finding the Third Proportional to 118,777.50 and 174,271.50

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Solution

The third proportional to 118,777.50 and 174,271.50 is: 255,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,777.50 : 174,271.50 = 174,271.50 : x
  2. Step 2: Convert to fraction form
    118,777.50/174,271.50 = 174,271.50/x
  3. Step 3: Cross multiply
    118,777.50x = 174,271.50 × 174,271.50
  4. Step 4: Simplify right side
    118,777.50x = 30,370,555,712.25
  5. Step 5: Solve for x
    x = 30,370,555,712.25/118,777.50
  6. Step 6: Final answer
    x = 255,692.84

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.