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Finding the Third Proportional to 113,628 and 176,430.75

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Solution

The third proportional to 113,628 and 176,430.75 is: 273,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,628 : 176,430.75 = 176,430.75 : x
  2. Step 2: Convert to fraction form
    113,628/176,430.75 = 176,430.75/x
  3. Step 3: Cross multiply
    113,628x = 176,430.75 × 176,430.75
  4. Step 4: Simplify right side
    113,628x = 31,127,809,545.56
  5. Step 5: Solve for x
    x = 31,127,809,545.56/113,628
  6. Step 6: Final answer
    x = 273,944.89

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.