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Finding the Third Proportional to 117,210 and 175,041.75

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Solution

The third proportional to 117,210 and 175,041.75 is: 261,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,210 : 175,041.75 = 175,041.75 : x
  2. Step 2: Convert to fraction form
    117,210/175,041.75 = 175,041.75/x
  3. Step 3: Cross multiply
    117,210x = 175,041.75 × 175,041.75
  4. Step 4: Simplify right side
    117,210x = 30,639,614,243.06
  5. Step 5: Solve for x
    x = 30,639,614,243.06/117,210
  6. Step 6: Final answer
    x = 261,407.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.