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Finding the Third Proportional to 97,432.88 and 213,831

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Solution

The third proportional to 97,432.88 and 213,831 is: 469,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,432.88 : 213,831 = 213,831 : x
  2. Step 2: Convert to fraction form
    97,432.88/213,831 = 213,831/x
  3. Step 3: Cross multiply
    97,432.88x = 213,831 × 213,831
  4. Step 4: Simplify right side
    97,432.88x = 45,723,696,561
  5. Step 5: Solve for x
    x = 45,723,696,561/97,432.88
  6. Step 6: Final answer
    x = 469,284.07

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.