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Finding the Third Proportional to 579,426 and 1,255,326

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Solution

The third proportional to 579,426 and 1,255,326 is: 2,719,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,426 : 1,255,326 = 1,255,326 : x
  2. Step 2: Convert to fraction form
    579,426/1,255,326 = 1,255,326/x
  3. Step 3: Cross multiply
    579,426x = 1,255,326 × 1,255,326
  4. Step 4: Simplify right side
    579,426x = 1,575,843,366,276
  5. Step 5: Solve for x
    x = 1,575,843,366,276/579,426
  6. Step 6: Final answer
    x = 2,719,662.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.