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Finding the Third Proportional to 61,428 and 88,794

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Solution

The third proportional to 61,428 and 88,794 is: 128,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,428 : 88,794 = 88,794 : x
  2. Step 2: Convert to fraction form
    61,428/88,794 = 88,794/x
  3. Step 3: Cross multiply
    61,428x = 88,794 × 88,794
  4. Step 4: Simplify right side
    61,428x = 7,884,374,436
  5. Step 5: Solve for x
    x = 7,884,374,436/61,428
  6. Step 6: Final answer
    x = 128,351.48

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.