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Finding the Third Proportional to 13,255 and 28,937

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Solution

The third proportional to 13,255 and 28,937 is: 63,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255 : 28,937 = 28,937 : x
  2. Step 2: Convert to fraction form
    13,255/28,937 = 28,937/x
  3. Step 3: Cross multiply
    13,255x = 28,937 × 28,937
  4. Step 4: Simplify right side
    13,255x = 837,349,969
  5. Step 5: Solve for x
    x = 837,349,969/13,255
  6. Step 6: Final answer
    x = 63,172.39

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.