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Finding the Third Proportional to 171,999 and 265,666.50

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Solution

The third proportional to 171,999 and 265,666.50 is: 410,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,999 : 265,666.50 = 265,666.50 : x
  2. Step 2: Convert to fraction form
    171,999/265,666.50 = 265,666.50/x
  3. Step 3: Cross multiply
    171,999x = 265,666.50 × 265,666.50
  4. Step 4: Simplify right side
    171,999x = 70,578,689,222.25
  5. Step 5: Solve for x
    x = 70,578,689,222.25/171,999
  6. Step 6: Final answer
    x = 410,343.60

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.