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Finding the Third Proportional to 75,849 and 165,307.50

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Solution

The third proportional to 75,849 and 165,307.50 is: 360,275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,849 : 165,307.50 = 165,307.50 : x
  2. Step 2: Convert to fraction form
    75,849/165,307.50 = 165,307.50/x
  3. Step 3: Cross multiply
    75,849x = 165,307.50 × 165,307.50
  4. Step 4: Simplify right side
    75,849x = 27,326,569,556.25
  5. Step 5: Solve for x
    x = 27,326,569,556.25/75,849
  6. Step 6: Final answer
    x = 360,275.94

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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.