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Finding the Third Proportional to 35,309.25 and 77,581.13

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Solution

The third proportional to 35,309.25 and 77,581.13 is: 170,460.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,309.25 : 77,581.13 = 77,581.13 : x
  2. Step 2: Convert to fraction form
    35,309.25/77,581.13 = 77,581.13/x
  3. Step 3: Cross multiply
    35,309.25x = 77,581.13 × 77,581.13
  4. Step 4: Simplify right side
    35,309.25x = 6,018,830,956.27
  5. Step 5: Solve for x
    x = 6,018,830,956.27/35,309.25
  6. Step 6: Final answer
    x = 170,460.46

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.