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Finding the Third Proportional to 105,010.50 and 161,403.75

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Solution

The third proportional to 105,010.50 and 161,403.75 is: 248,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,010.50 : 161,403.75 = 161,403.75 : x
  2. Step 2: Convert to fraction form
    105,010.50/161,403.75 = 161,403.75/x
  3. Step 3: Cross multiply
    105,010.50x = 161,403.75 × 161,403.75
  4. Step 4: Simplify right side
    105,010.50x = 26,051,170,514.06
  5. Step 5: Solve for x
    x = 26,051,170,514.06/105,010.50
  6. Step 6: Final answer
    x = 248,081.58

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.