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Finding the Third Proportional to 7,954,989,213 and 11,060,776,646.50

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Solution

The third proportional to 7,954,989,213 and 11,060,776,646.50 is: 15,379,125,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954,989,213 : 11,060,776,646.50 = 11,060,776,646.50 : x
  2. Step 2: Convert to fraction form
    7,954,989,213/11,060,776,646.50 = 11,060,776,646.50/x
  3. Step 3: Cross multiply
    7,954,989,213x = 11,060,776,646.50 × 11,060,776,646.50
  4. Step 4: Simplify right side
    7,954,989,213x = 122,340,780,023,759,781,888
  5. Step 5: Solve for x
    x = 122,340,780,023,759,781,888/7,954,989,213
  6. Step 6: Final answer
    x = 15,379,125,822.55

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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.