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Finding the Third Proportional to 35,920 and 77,576

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Solution

The third proportional to 35,920 and 77,576 is: 167,539.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,920 : 77,576 = 77,576 : x
  2. Step 2: Convert to fraction form
    35,920/77,576 = 77,576/x
  3. Step 3: Cross multiply
    35,920x = 77,576 × 77,576
  4. Step 4: Simplify right side
    35,920x = 6,018,035,776
  5. Step 5: Solve for x
    x = 6,018,035,776/35,920
  6. Step 6: Final answer
    x = 167,539.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.