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Finding the Third Proportional to 179,779.50 and 390,926.25

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Solution

The third proportional to 179,779.50 and 390,926.25 is: 850,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,779.50 : 390,926.25 = 390,926.25 : x
  2. Step 2: Convert to fraction form
    179,779.50/390,926.25 = 390,926.25/x
  3. Step 3: Cross multiply
    179,779.50x = 390,926.25 × 390,926.25
  4. Step 4: Simplify right side
    179,779.50x = 152,823,332,939.06
  5. Step 5: Solve for x
    x = 152,823,332,939.06/179,779.50
  6. Step 6: Final answer
    x = 850,059.84

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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.