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Finding the Third Proportional to 42,720 and 93,483

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Solution

The third proportional to 42,720 and 93,483 is: 204,566.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,720 : 93,483 = 93,483 : x
  2. Step 2: Convert to fraction form
    42,720/93,483 = 93,483/x
  3. Step 3: Cross multiply
    42,720x = 93,483 × 93,483
  4. Step 4: Simplify right side
    42,720x = 8,739,071,289
  5. Step 5: Solve for x
    x = 8,739,071,289/42,720
  6. Step 6: Final answer
    x = 204,566.28

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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.