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Finding the Third Proportional to 179,763.75 and 390,903.75

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Solution

The third proportional to 179,763.75 and 390,903.75 is: 850,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,763.75 : 390,903.75 = 390,903.75 : x
  2. Step 2: Convert to fraction form
    179,763.75/390,903.75 = 390,903.75/x
  3. Step 3: Cross multiply
    179,763.75x = 390,903.75 × 390,903.75
  4. Step 4: Simplify right side
    179,763.75x = 152,805,741,764.06
  5. Step 5: Solve for x
    x = 152,805,741,764.06/179,763.75
  6. Step 6: Final answer
    x = 850,036.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.