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Finding the Third Proportional to 191,885.63 and 287,830.13

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Solution

The third proportional to 191,885.63 and 287,830.13 is: 431,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,885.63 : 287,830.13 = 287,830.13 : x
  2. Step 2: Convert to fraction form
    191,885.63/287,830.13 = 287,830.13/x
  3. Step 3: Cross multiply
    191,885.63x = 287,830.13 × 287,830.13
  4. Step 4: Simplify right side
    191,885.63x = 82,846,180,857.52
  5. Step 5: Solve for x
    x = 82,846,180,857.52/191,885.63
  6. Step 6: Final answer
    x = 431,747.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.