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Finding the Third Proportional to 4,277,556 and 8,908,956

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Solution

The third proportional to 4,277,556 and 8,908,956 is: 18,554,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277,556 : 8,908,956 = 8,908,956 : x
  2. Step 2: Convert to fraction form
    4,277,556/8,908,956 = 8,908,956/x
  3. Step 3: Cross multiply
    4,277,556x = 8,908,956 × 8,908,956
  4. Step 4: Simplify right side
    4,277,556x = 79,369,497,009,936
  5. Step 5: Solve for x
    x = 79,369,497,009,936/4,277,556
  6. Step 6: Final answer
    x = 18,554,870.35

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.