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Finding the Third Proportional to 7,268,897,738 and 15,811,373,058

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Solution

The third proportional to 7,268,897,738 and 15,811,373,058 is: 34,393,043,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,897,738 : 15,811,373,058 = 15,811,373,058 : x
  2. Step 2: Convert to fraction form
    7,268,897,738/15,811,373,058 = 15,811,373,058/x
  3. Step 3: Cross multiply
    7,268,897,738x = 15,811,373,058 × 15,811,373,058
  4. Step 4: Simplify right side
    7,268,897,738x = 249,999,517,979,248,263,168
  5. Step 5: Solve for x
    x = 249,999,517,979,248,263,168/7,268,897,738
  6. Step 6: Final answer
    x = 34,393,043,758.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.