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Finding the Third Proportional to 28,440 and 43,048

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Solution

The third proportional to 28,440 and 43,048 is: 65,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,440 : 43,048 = 43,048 : x
  2. Step 2: Convert to fraction form
    28,440/43,048 = 43,048/x
  3. Step 3: Cross multiply
    28,440x = 43,048 × 43,048
  4. Step 4: Simplify right side
    28,440x = 1,853,130,304
  5. Step 5: Solve for x
    x = 1,853,130,304/28,440
  6. Step 6: Final answer
    x = 65,159.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.