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Finding the Third Proportional to 34,428 and 75,336

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Solution

The third proportional to 34,428 and 75,336 is: 164,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,428 : 75,336 = 75,336 : x
  2. Step 2: Convert to fraction form
    34,428/75,336 = 75,336/x
  3. Step 3: Cross multiply
    34,428x = 75,336 × 75,336
  4. Step 4: Simplify right side
    34,428x = 5,675,512,896
  5. Step 5: Solve for x
    x = 5,675,512,896/34,428
  6. Step 6: Final answer
    x = 164,851.66

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.