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Finding the Third Proportional to 97,449.75 and 212,881.50

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Solution

The third proportional to 97,449.75 and 212,881.50 is: 465,045.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,449.75 : 212,881.50 = 212,881.50 : x
  2. Step 2: Convert to fraction form
    97,449.75/212,881.50 = 212,881.50/x
  3. Step 3: Cross multiply
    97,449.75x = 212,881.50 × 212,881.50
  4. Step 4: Simplify right side
    97,449.75x = 45,318,533,042.25
  5. Step 5: Solve for x
    x = 45,318,533,042.25/97,449.75
  6. Step 6: Final answer
    x = 465,045.14

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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.