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Finding the Third Proportional to 44,490 and 66,255

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Solution

The third proportional to 44,490 and 66,255 is: 98,667.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,490 : 66,255 = 66,255 : x
  2. Step 2: Convert to fraction form
    44,490/66,255 = 66,255/x
  3. Step 3: Cross multiply
    44,490x = 66,255 × 66,255
  4. Step 4: Simplify right side
    44,490x = 4,389,725,025
  5. Step 5: Solve for x
    x = 4,389,725,025/44,490
  6. Step 6: Final answer
    x = 98,667.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.