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Finding the Third Proportional to 9,289,980 and 18,953,208

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Solution

The third proportional to 9,289,980 and 18,953,208 is: 38,667,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289,980 : 18,953,208 = 18,953,208 : x
  2. Step 2: Convert to fraction form
    9,289,980/18,953,208 = 18,953,208/x
  3. Step 3: Cross multiply
    9,289,980x = 18,953,208 × 18,953,208
  4. Step 4: Simplify right side
    9,289,980x = 359,224,093,491,264
  5. Step 5: Solve for x
    x = 359,224,093,491,264/9,289,980
  6. Step 6: Final answer
    x = 38,667,908.16

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.