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Finding the Third Proportional to 9,476,617 and 20,466,330

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Solution

The third proportional to 9,476,617 and 20,466,330 is: 44,200,442.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,476,617 : 20,466,330 = 20,466,330 : x
  2. Step 2: Convert to fraction form
    9,476,617/20,466,330 = 20,466,330/x
  3. Step 3: Cross multiply
    9,476,617x = 20,466,330 × 20,466,330
  4. Step 4: Simplify right side
    9,476,617x = 418,870,663,668,900
  5. Step 5: Solve for x
    x = 418,870,663,668,900/9,476,617
  6. Step 6: Final answer
    x = 44,200,442.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.