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Finding the Third Proportional to 4,637,618 and 9,961,956

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Solution

The third proportional to 4,637,618 and 9,961,956 is: 21,399,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,637,618 : 9,961,956 = 9,961,956 : x
  2. Step 2: Convert to fraction form
    4,637,618/9,961,956 = 9,961,956/x
  3. Step 3: Cross multiply
    4,637,618x = 9,961,956 × 9,961,956
  4. Step 4: Simplify right side
    4,637,618x = 99,240,567,345,936
  5. Step 5: Solve for x
    x = 99,240,567,345,936/4,637,618
  6. Step 6: Final answer
    x = 21,399,038.76

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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.