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Finding the Third Proportional to 4,577,515.03 and 7,081,518.66

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Solution

The third proportional to 4,577,515.03 and 7,081,518.66 is: 10,955,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577,515.03 : 7,081,518.66 = 7,081,518.66 : x
  2. Step 2: Convert to fraction form
    4,577,515.03/7,081,518.66 = 7,081,518.66/x
  3. Step 3: Cross multiply
    4,577,515.03x = 7,081,518.66 × 7,081,518.66
  4. Step 4: Simplify right side
    4,577,515.03x = 50,147,906,478,816.80
  5. Step 5: Solve for x
    x = 50,147,906,478,816.80/4,577,515.03
  6. Step 6: Final answer
    x = 10,955,268.55

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.