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Finding the Third Proportional to 120,654 and 265,000.50

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Solution

The third proportional to 120,654 and 265,000.50 is: 582,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,654 : 265,000.50 = 265,000.50 : x
  2. Step 2: Convert to fraction form
    120,654/265,000.50 = 265,000.50/x
  3. Step 3: Cross multiply
    120,654x = 265,000.50 × 265,000.50
  4. Step 4: Simplify right side
    120,654x = 70,225,265,000.25
  5. Step 5: Solve for x
    x = 70,225,265,000.25/120,654
  6. Step 6: Final answer
    x = 582,038.43

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.