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Finding the Third Proportional to 9,892,480 and 21,476,939

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Solution

The third proportional to 9,892,480 and 21,476,939 is: 46,627,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892,480 : 21,476,939 = 21,476,939 : x
  2. Step 2: Convert to fraction form
    9,892,480/21,476,939 = 21,476,939/x
  3. Step 3: Cross multiply
    9,892,480x = 21,476,939 × 21,476,939
  4. Step 4: Simplify right side
    9,892,480x = 461,258,908,809,721
  5. Step 5: Solve for x
    x = 461,258,908,809,721/9,892,480
  6. Step 6: Final answer
    x = 46,627,226.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.