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Finding the Third Proportional to 42,859.13 and 93,636

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Solution

The third proportional to 42,859.13 and 93,636 is: 204,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,859.13 : 93,636 = 93,636 : x
  2. Step 2: Convert to fraction form
    42,859.13/93,636 = 93,636/x
  3. Step 3: Cross multiply
    42,859.13x = 93,636 × 93,636
  4. Step 4: Simplify right side
    42,859.13x = 8,767,700,496
  5. Step 5: Solve for x
    x = 8,767,700,496/42,859.13
  6. Step 6: Final answer
    x = 204,570.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.