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Finding the Third Proportional to 92,718 and 198,554.63

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Solution

The third proportional to 92,718 and 198,554.63 is: 425,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,718 : 198,554.63 = 198,554.63 : x
  2. Step 2: Convert to fraction form
    92,718/198,554.63 = 198,554.63/x
  3. Step 3: Cross multiply
    92,718x = 198,554.63 × 198,554.63
  4. Step 4: Simplify right side
    92,718x = 39,423,939,108.89
  5. Step 5: Solve for x
    x = 39,423,939,108.89/92,718
  6. Step 6: Final answer
    x = 425,202.65

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.