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Finding the Third Proportional to 176,385 and 266,217.75

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Solution

The third proportional to 176,385 and 266,217.75 is: 401,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,385 : 266,217.75 = 266,217.75 : x
  2. Step 2: Convert to fraction form
    176,385/266,217.75 = 266,217.75/x
  3. Step 3: Cross multiply
    176,385x = 266,217.75 × 266,217.75
  4. Step 4: Simplify right side
    176,385x = 70,871,890,415.06
  5. Step 5: Solve for x
    x = 70,871,890,415.06/176,385
  6. Step 6: Final answer
    x = 401,802.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.