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Finding the Third Proportional to 8,553,207 and 18,612,123

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Solution

The third proportional to 8,553,207 and 18,612,123 is: 40,500,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553,207 : 18,612,123 = 18,612,123 : x
  2. Step 2: Convert to fraction form
    8,553,207/18,612,123 = 18,612,123/x
  3. Step 3: Cross multiply
    8,553,207x = 18,612,123 × 18,612,123
  4. Step 4: Simplify right side
    8,553,207x = 346,411,122,567,129
  5. Step 5: Solve for x
    x = 346,411,122,567,129/8,553,207
  6. Step 6: Final answer
    x = 40,500,729.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.