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Finding the Third Proportional to 1,775,378.25 and 3,882,897

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Solution

The third proportional to 1,775,378.25 and 3,882,897 is: 8,492,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,378.25 : 3,882,897 = 3,882,897 : x
  2. Step 2: Convert to fraction form
    1,775,378.25/3,882,897 = 3,882,897/x
  3. Step 3: Cross multiply
    1,775,378.25x = 3,882,897 × 3,882,897
  4. Step 4: Simplify right side
    1,775,378.25x = 15,076,889,112,609
  5. Step 5: Solve for x
    x = 15,076,889,112,609/1,775,378.25
  6. Step 6: Final answer
    x = 8,492,212.36

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.