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Finding the Third Proportional to 176,289.75 and 380,632.50

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Solution

The third proportional to 176,289.75 and 380,632.50 is: 821,835.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,289.75 : 380,632.50 = 380,632.50 : x
  2. Step 2: Convert to fraction form
    176,289.75/380,632.50 = 380,632.50/x
  3. Step 3: Cross multiply
    176,289.75x = 380,632.50 × 380,632.50
  4. Step 4: Simplify right side
    176,289.75x = 144,881,100,056.25
  5. Step 5: Solve for x
    x = 144,881,100,056.25/176,289.75
  6. Step 6: Final answer
    x = 821,835.08

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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.