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Finding the Third Proportional to 990,818.50 and 1,518,213

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Solution

The third proportional to 990,818.50 and 1,518,213 is: 2,326,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,818.50 : 1,518,213 = 1,518,213 : x
  2. Step 2: Convert to fraction form
    990,818.50/1,518,213 = 1,518,213/x
  3. Step 3: Cross multiply
    990,818.50x = 1,518,213 × 1,518,213
  4. Step 4: Simplify right side
    990,818.50x = 2,304,970,713,369
  5. Step 5: Solve for x
    x = 2,304,970,713,369/990,818.50
  6. Step 6: Final answer
    x = 2,326,329.91

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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.