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Finding the Third Proportional to 3,549,891 and 7,775,515.50

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Solution

The third proportional to 3,549,891 and 7,775,515.50 is: 17,031,126.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,891 : 7,775,515.50 = 7,775,515.50 : x
  2. Step 2: Convert to fraction form
    3,549,891/7,775,515.50 = 7,775,515.50/x
  3. Step 3: Cross multiply
    3,549,891x = 7,775,515.50 × 7,775,515.50
  4. Step 4: Simplify right side
    3,549,891x = 60,458,641,290,740.25
  5. Step 5: Solve for x
    x = 60,458,641,290,740.25/3,549,891
  6. Step 6: Final answer
    x = 17,031,126.11

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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.