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Finding the Third Proportional to 171,130.50 and 266,029

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Solution

The third proportional to 171,130.50 and 266,029 is: 413,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,130.50 : 266,029 = 266,029 : x
  2. Step 2: Convert to fraction form
    171,130.50/266,029 = 266,029/x
  3. Step 3: Cross multiply
    171,130.50x = 266,029 × 266,029
  4. Step 4: Simplify right side
    171,130.50x = 70,771,428,841
  5. Step 5: Solve for x
    x = 70,771,428,841/171,130.50
  6. Step 6: Final answer
    x = 413,552.40

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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.