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Finding the Third Proportional to 379,698 and 554,552.63

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Solution

The third proportional to 379,698 and 554,552.63 is: 809,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,698 : 554,552.63 = 554,552.63 : x
  2. Step 2: Convert to fraction form
    379,698/554,552.63 = 554,552.63/x
  3. Step 3: Cross multiply
    379,698x = 554,552.63 × 554,552.63
  4. Step 4: Simplify right side
    379,698x = 307,528,613,894.39
  5. Step 5: Solve for x
    x = 307,528,613,894.39/379,698
  6. Step 6: Final answer
    x = 809,929.51

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.