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Finding the Third Proportional to 579,159 and 1,276,200

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Solution

The third proportional to 579,159 and 1,276,200 is: 2,812,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,159 : 1,276,200 = 1,276,200 : x
  2. Step 2: Convert to fraction form
    579,159/1,276,200 = 1,276,200/x
  3. Step 3: Cross multiply
    579,159x = 1,276,200 × 1,276,200
  4. Step 4: Simplify right side
    579,159x = 1,628,686,440,000
  5. Step 5: Solve for x
    x = 1,628,686,440,000/579,159
  6. Step 6: Final answer
    x = 2,812,157.70

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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.