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Finding the Third Proportional to 176,917.50 and 266,348.25

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Solution

The third proportional to 176,917.50 and 266,348.25 is: 400,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,917.50 : 266,348.25 = 266,348.25 : x
  2. Step 2: Convert to fraction form
    176,917.50/266,348.25 = 266,348.25/x
  3. Step 3: Cross multiply
    176,917.50x = 266,348.25 × 266,348.25
  4. Step 4: Simplify right side
    176,917.50x = 70,941,390,278.06
  5. Step 5: Solve for x
    x = 70,941,390,278.06/176,917.50
  6. Step 6: Final answer
    x = 400,985.72

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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.