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Finding the Third Proportional to 9,922,776 and 21,365,787

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Solution

The third proportional to 9,922,776 and 21,365,787 is: 46,004,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,922,776 : 21,365,787 = 21,365,787 : x
  2. Step 2: Convert to fraction form
    9,922,776/21,365,787 = 21,365,787/x
  3. Step 3: Cross multiply
    9,922,776x = 21,365,787 × 21,365,787
  4. Step 4: Simplify right side
    9,922,776x = 456,496,854,129,369
  5. Step 5: Solve for x
    x = 456,496,854,129,369/9,922,776
  6. Step 6: Final answer
    x = 46,004,954.07

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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.