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Finding the Third Proportional to 613,659 and 1,312,611

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Solution

The third proportional to 613,659 and 1,312,611 is: 2,807,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,659 : 1,312,611 = 1,312,611 : x
  2. Step 2: Convert to fraction form
    613,659/1,312,611 = 1,312,611/x
  3. Step 3: Cross multiply
    613,659x = 1,312,611 × 1,312,611
  4. Step 4: Simplify right side
    613,659x = 1,722,947,637,321
  5. Step 5: Solve for x
    x = 1,722,947,637,321/613,659
  6. Step 6: Final answer
    x = 2,807,662.95

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.