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Finding the Third Proportional to 8,619,716 and 18,854,896

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Solution

The third proportional to 8,619,716 and 18,854,896 is: 41,243,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,716 : 18,854,896 = 18,854,896 : x
  2. Step 2: Convert to fraction form
    8,619,716/18,854,896 = 18,854,896/x
  3. Step 3: Cross multiply
    8,619,716x = 18,854,896 × 18,854,896
  4. Step 4: Simplify right side
    8,619,716x = 355,507,103,170,816
  5. Step 5: Solve for x
    x = 355,507,103,170,816/8,619,716
  6. Step 6: Final answer
    x = 41,243,482.17

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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.