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Finding the Third Proportional to 199,760 and 432,784

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Solution

The third proportional to 199,760 and 432,784 is: 937,635.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,760 : 432,784 = 432,784 : x
  2. Step 2: Convert to fraction form
    199,760/432,784 = 432,784/x
  3. Step 3: Cross multiply
    199,760x = 432,784 × 432,784
  4. Step 4: Simplify right side
    199,760x = 187,301,990,656
  5. Step 5: Solve for x
    x = 187,301,990,656/199,760
  6. Step 6: Final answer
    x = 937,635.12

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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.