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Finding the Third Proportional to 7,954,989,210 and 11,060,776,642

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Solution

The third proportional to 7,954,989,210 and 11,060,776,642 is: 15,379,125,815.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954,989,210 : 11,060,776,642 = 11,060,776,642 : x
  2. Step 2: Convert to fraction form
    7,954,989,210/11,060,776,642 = 11,060,776,642/x
  3. Step 3: Cross multiply
    7,954,989,210x = 11,060,776,642 × 11,060,776,642
  4. Step 4: Simplify right side
    7,954,989,210x = 122,340,779,924,212,793,344
  5. Step 5: Solve for x
    x = 122,340,779,924,212,793,344/7,954,989,210
  6. Step 6: Final answer
    x = 15,379,125,815.84

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.