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Finding the Third Proportional to 572,640 and 1,293,756

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Solution

The third proportional to 572,640 and 1,293,756 is: 2,922,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,640 : 1,293,756 = 1,293,756 : x
  2. Step 2: Convert to fraction form
    572,640/1,293,756 = 1,293,756/x
  3. Step 3: Cross multiply
    572,640x = 1,293,756 × 1,293,756
  4. Step 4: Simplify right side
    572,640x = 1,673,804,587,536
  5. Step 5: Solve for x
    x = 1,673,804,587,536/572,640
  6. Step 6: Final answer
    x = 2,922,961.35

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.