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Finding the Third Proportional to 8,678,262 and 18,662,573

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Solution

The third proportional to 8,678,262 and 18,662,573 is: 40,133,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,262 : 18,662,573 = 18,662,573 : x
  2. Step 2: Convert to fraction form
    8,678,262/18,662,573 = 18,662,573/x
  3. Step 3: Cross multiply
    8,678,262x = 18,662,573 × 18,662,573
  4. Step 4: Simplify right side
    8,678,262x = 348,291,630,980,329
  5. Step 5: Solve for x
    x = 348,291,630,980,329/8,678,262
  6. Step 6: Final answer
    x = 40,133,799.95

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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.