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Finding the Third Proportional to 165,312 and 247,329

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Solution

The third proportional to 165,312 and 247,329 is: 370,037.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,312 : 247,329 = 247,329 : x
  2. Step 2: Convert to fraction form
    165,312/247,329 = 247,329/x
  3. Step 3: Cross multiply
    165,312x = 247,329 × 247,329
  4. Step 4: Simplify right side
    165,312x = 61,171,634,241
  5. Step 5: Solve for x
    x = 61,171,634,241/165,312
  6. Step 6: Final answer
    x = 370,037.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.