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Finding the Third Proportional to 199,630 and 432,835

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Solution

The third proportional to 199,630 and 432,835 is: 938,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,630 : 432,835 = 432,835 : x
  2. Step 2: Convert to fraction form
    199,630/432,835 = 432,835/x
  3. Step 3: Cross multiply
    199,630x = 432,835 × 432,835
  4. Step 4: Simplify right side
    199,630x = 187,346,137,225
  5. Step 5: Solve for x
    x = 187,346,137,225/199,630
  6. Step 6: Final answer
    x = 938,466.85

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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.