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Finding the Third Proportional to 141,837.75 and 212,907.38

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Solution

The third proportional to 141,837.75 and 212,907.38 is: 319,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,837.75 : 212,907.38 = 212,907.38 : x
  2. Step 2: Convert to fraction form
    141,837.75/212,907.38 = 212,907.38/x
  3. Step 3: Cross multiply
    141,837.75x = 212,907.38 × 212,907.38
  4. Step 4: Simplify right side
    141,837.75x = 45,329,550,329.39
  5. Step 5: Solve for x
    x = 45,329,550,329.39/141,837.75
  6. Step 6: Final answer
    x = 319,587.35

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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.