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Finding the Third Proportional to 98,748.50 and 212,482.75

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Solution

The third proportional to 98,748.50 and 212,482.75 is: 457,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,748.50 : 212,482.75 = 212,482.75 : x
  2. Step 2: Convert to fraction form
    98,748.50/212,482.75 = 212,482.75/x
  3. Step 3: Cross multiply
    98,748.50x = 212,482.75 × 212,482.75
  4. Step 4: Simplify right side
    98,748.50x = 45,148,919,047.56
  5. Step 5: Solve for x
    x = 45,148,919,047.56/98,748.50
  6. Step 6: Final answer
    x = 457,211.19

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.