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Finding the Third Proportional to 1,399,887,276 and 2,999,449,344

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Solution

The third proportional to 1,399,887,276 and 2,999,449,344 is: 6,426,729,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,887,276 : 2,999,449,344 = 2,999,449,344 : x
  2. Step 2: Convert to fraction form
    1,399,887,276/2,999,449,344 = 2,999,449,344/x
  3. Step 3: Cross multiply
    1,399,887,276x = 2,999,449,344 × 2,999,449,344
  4. Step 4: Simplify right side
    1,399,887,276x = 8,996,696,367,222,030,336
  5. Step 5: Solve for x
    x = 8,996,696,367,222,030,336/1,399,887,276
  6. Step 6: Final answer
    x = 6,426,729,152.74

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.