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Finding the Third Proportional to 9,605,853 and 21,003,579

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Solution

The third proportional to 9,605,853 and 21,003,579 is: 45,925,159.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605,853 : 21,003,579 = 21,003,579 : x
  2. Step 2: Convert to fraction form
    9,605,853/21,003,579 = 21,003,579/x
  3. Step 3: Cross multiply
    9,605,853x = 21,003,579 × 21,003,579
  4. Step 4: Simplify right side
    9,605,853x = 441,150,330,809,241
  5. Step 5: Solve for x
    x = 441,150,330,809,241/9,605,853
  6. Step 6: Final answer
    x = 45,925,159.46

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.