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Finding the Third Proportional to 179,246.50 and 390,104

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Solution

The third proportional to 179,246.50 and 390,104 is: 849,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,246.50 : 390,104 = 390,104 : x
  2. Step 2: Convert to fraction form
    179,246.50/390,104 = 390,104/x
  3. Step 3: Cross multiply
    179,246.50x = 390,104 × 390,104
  4. Step 4: Simplify right side
    179,246.50x = 152,181,130,816
  5. Step 5: Solve for x
    x = 152,181,130,816/179,246.50
  6. Step 6: Final answer
    x = 849,004.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.