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Finding the Third Proportional to 199,653 and 301,557.75

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Solution

The third proportional to 199,653 and 301,557.75 is: 455,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,653 : 301,557.75 = 301,557.75 : x
  2. Step 2: Convert to fraction form
    199,653/301,557.75 = 301,557.75/x
  3. Step 3: Cross multiply
    199,653x = 301,557.75 × 301,557.75
  4. Step 4: Simplify right side
    199,653x = 90,937,076,585.06
  5. Step 5: Solve for x
    x = 90,937,076,585.06/199,653
  6. Step 6: Final answer
    x = 455,475.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.