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Finding the Third Proportional to 579,289 and 1,211,545

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Solution

The third proportional to 579,289 and 1,211,545 is: 2,533,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,289 : 1,211,545 = 1,211,545 : x
  2. Step 2: Convert to fraction form
    579,289/1,211,545 = 1,211,545/x
  3. Step 3: Cross multiply
    579,289x = 1,211,545 × 1,211,545
  4. Step 4: Simplify right side
    579,289x = 1,467,841,287,025
  5. Step 5: Solve for x
    x = 1,467,841,287,025/579,289
  6. Step 6: Final answer
    x = 2,533,867.01

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.