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Finding the Third Proportional to 8,681,604 and 12,771,467

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Solution

The third proportional to 8,681,604 and 12,771,467 is: 18,788,045.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,604 : 12,771,467 = 12,771,467 : x
  2. Step 2: Convert to fraction form
    8,681,604/12,771,467 = 12,771,467/x
  3. Step 3: Cross multiply
    8,681,604x = 12,771,467 × 12,771,467
  4. Step 4: Simplify right side
    8,681,604x = 163,110,369,332,089
  5. Step 5: Solve for x
    x = 163,110,369,332,089/8,681,604
  6. Step 6: Final answer
    x = 18,788,045.31

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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.