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Finding the Third Proportional to 90,730 and 197,376

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Solution

The third proportional to 90,730 and 197,376 is: 429,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,730 : 197,376 = 197,376 : x
  2. Step 2: Convert to fraction form
    90,730/197,376 = 197,376/x
  3. Step 3: Cross multiply
    90,730x = 197,376 × 197,376
  4. Step 4: Simplify right side
    90,730x = 38,957,285,376
  5. Step 5: Solve for x
    x = 38,957,285,376/90,730
  6. Step 6: Final answer
    x = 429,376.01

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.