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Finding the Third Proportional to 97,486.88 and 211,639.50

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Solution

The third proportional to 97,486.88 and 211,639.50 is: 459,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,486.88 : 211,639.50 = 211,639.50 : x
  2. Step 2: Convert to fraction form
    97,486.88/211,639.50 = 211,639.50/x
  3. Step 3: Cross multiply
    97,486.88x = 211,639.50 × 211,639.50
  4. Step 4: Simplify right side
    97,486.88x = 44,791,277,960.25
  5. Step 5: Solve for x
    x = 44,791,277,960.25/97,486.88
  6. Step 6: Final answer
    x = 459,459.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.