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Finding the Third Proportional to 8,681,611 and 12,771,477

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Solution

The third proportional to 8,681,611 and 12,771,477 is: 18,788,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,611 : 12,771,477 = 12,771,477 : x
  2. Step 2: Convert to fraction form
    8,681,611/12,771,477 = 12,771,477/x
  3. Step 3: Cross multiply
    8,681,611x = 12,771,477 × 12,771,477
  4. Step 4: Simplify right side
    8,681,611x = 163,110,624,761,529
  5. Step 5: Solve for x
    x = 163,110,624,761,529/8,681,611
  6. Step 6: Final answer
    x = 18,788,059.58

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.