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Finding the Third Proportional to 129,051 and 199,332

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Solution

The third proportional to 129,051 and 199,332 is: 307,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,051 : 199,332 = 199,332 : x
  2. Step 2: Convert to fraction form
    129,051/199,332 = 199,332/x
  3. Step 3: Cross multiply
    129,051x = 199,332 × 199,332
  4. Step 4: Simplify right side
    129,051x = 39,733,246,224
  5. Step 5: Solve for x
    x = 39,733,246,224/129,051
  6. Step 6: Final answer
    x = 307,887.94

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.