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Finding the Third Proportional to 191,628 and 294,138

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Solution

The third proportional to 191,628 and 294,138 is: 451,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,628 : 294,138 = 294,138 : x
  2. Step 2: Convert to fraction form
    191,628/294,138 = 294,138/x
  3. Step 3: Cross multiply
    191,628x = 294,138 × 294,138
  4. Step 4: Simplify right side
    191,628x = 86,517,163,044
  5. Step 5: Solve for x
    x = 86,517,163,044/191,628
  6. Step 6: Final answer
    x = 451,484.98

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.