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Finding the Third Proportional to 7,676,666,664 and 11,794,349,889

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Solution

The third proportional to 7,676,666,664 and 11,794,349,889 is: 18,120,715,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676,666,664 : 11,794,349,889 = 11,794,349,889 : x
  2. Step 2: Convert to fraction form
    7,676,666,664/11,794,349,889 = 11,794,349,889/x
  3. Step 3: Cross multiply
    7,676,666,664x = 11,794,349,889 × 11,794,349,889
  4. Step 4: Simplify right side
    7,676,666,664x = 139,106,689,304,154,308,608
  5. Step 5: Solve for x
    x = 139,106,689,304,154,308,608/7,676,666,664
  6. Step 6: Final answer
    x = 18,120,715,069.80

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.