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Finding the Third Proportional to 110,083 and 130,009

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Solution

The third proportional to 110,083 and 130,009 is: 153,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,083 : 130,009 = 130,009 : x
  2. Step 2: Convert to fraction form
    110,083/130,009 = 130,009/x
  3. Step 3: Cross multiply
    110,083x = 130,009 × 130,009
  4. Step 4: Simplify right side
    110,083x = 16,902,340,081
  5. Step 5: Solve for x
    x = 16,902,340,081/110,083
  6. Step 6: Final answer
    x = 153,541.78

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.