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Finding the Third Proportional to 20,752 and 43,528

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Solution

The third proportional to 20,752 and 43,528 is: 91,301.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752 : 43,528 = 43,528 : x
  2. Step 2: Convert to fraction form
    20,752/43,528 = 43,528/x
  3. Step 3: Cross multiply
    20,752x = 43,528 × 43,528
  4. Step 4: Simplify right side
    20,752x = 1,894,686,784
  5. Step 5: Solve for x
    x = 1,894,686,784/20,752
  6. Step 6: Final answer
    x = 91,301.41

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.