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Finding the Third Proportional to 68,052 and 99,770

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Solution

The third proportional to 68,052 and 99,770 is: 146,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,052 : 99,770 = 99,770 : x
  2. Step 2: Convert to fraction form
    68,052/99,770 = 99,770/x
  3. Step 3: Cross multiply
    68,052x = 99,770 × 99,770
  4. Step 4: Simplify right side
    68,052x = 9,954,052,900
  5. Step 5: Solve for x
    x = 9,954,052,900/68,052
  6. Step 6: Final answer
    x = 146,271.28

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.