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Finding the Third Proportional to 9,815,502 and 20,890,716

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Solution

The third proportional to 9,815,502 and 20,890,716 is: 44,462,526.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815,502 : 20,890,716 = 20,890,716 : x
  2. Step 2: Convert to fraction form
    9,815,502/20,890,716 = 20,890,716/x
  3. Step 3: Cross multiply
    9,815,502x = 20,890,716 × 20,890,716
  4. Step 4: Simplify right side
    9,815,502x = 436,422,014,992,656
  5. Step 5: Solve for x
    x = 436,422,014,992,656/9,815,502
  6. Step 6: Final answer
    x = 44,462,526.22

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.