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Finding the Third Proportional to 3,081,403.50 and 6,870,909

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Solution

The third proportional to 3,081,403.50 and 6,870,909 is: 15,320,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,403.50 : 6,870,909 = 6,870,909 : x
  2. Step 2: Convert to fraction form
    3,081,403.50/6,870,909 = 6,870,909/x
  3. Step 3: Cross multiply
    3,081,403.50x = 6,870,909 × 6,870,909
  4. Step 4: Simplify right side
    3,081,403.50x = 47,209,390,486,281
  5. Step 5: Solve for x
    x = 47,209,390,486,281/3,081,403.50
  6. Step 6: Final answer
    x = 15,320,742.80

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.