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Finding the Third Proportional to 9,019,989 and 19,668,063

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Solution

The third proportional to 9,019,989 and 19,668,063 is: 42,886,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019,989 : 19,668,063 = 19,668,063 : x
  2. Step 2: Convert to fraction form
    9,019,989/19,668,063 = 19,668,063/x
  3. Step 3: Cross multiply
    9,019,989x = 19,668,063 × 19,668,063
  4. Step 4: Simplify right side
    9,019,989x = 386,832,702,171,969
  5. Step 5: Solve for x
    x = 386,832,702,171,969/9,019,989
  6. Step 6: Final answer
    x = 42,886,161.19

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.