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Finding the Third Proportional to 9,989,353 and 21,533,690

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Solution

The third proportional to 9,989,353 and 21,533,690 is: 46,419,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,353 : 21,533,690 = 21,533,690 : x
  2. Step 2: Convert to fraction form
    9,989,353/21,533,690 = 21,533,690/x
  3. Step 3: Cross multiply
    9,989,353x = 21,533,690 × 21,533,690
  4. Step 4: Simplify right side
    9,989,353x = 463,699,805,016,100
  5. Step 5: Solve for x
    x = 463,699,805,016,100/9,989,353
  6. Step 6: Final answer
    x = 46,419,403.24

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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.