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Finding the Third Proportional to 9,990,575 and 21,522,898

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Solution

The third proportional to 9,990,575 and 21,522,898 is: 46,367,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,575 : 21,522,898 = 21,522,898 : x
  2. Step 2: Convert to fraction form
    9,990,575/21,522,898 = 21,522,898/x
  3. Step 3: Cross multiply
    9,990,575x = 21,522,898 × 21,522,898
  4. Step 4: Simplify right side
    9,990,575x = 463,235,138,318,404
  5. Step 5: Solve for x
    x = 463,235,138,318,404/9,990,575
  6. Step 6: Final answer
    x = 46,367,214.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.