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Finding the Third Proportional to 9,977,958 and 21,552,588

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Solution

The third proportional to 9,977,958 and 21,552,588 is: 46,554,019.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977,958 : 21,552,588 = 21,552,588 : x
  2. Step 2: Convert to fraction form
    9,977,958/21,552,588 = 21,552,588/x
  3. Step 3: Cross multiply
    9,977,958x = 21,552,588 × 21,552,588
  4. Step 4: Simplify right side
    9,977,958x = 464,514,049,497,744
  5. Step 5: Solve for x
    x = 464,514,049,497,744/9,977,958
  6. Step 6: Final answer
    x = 46,554,019.32

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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.