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Finding the Third Proportional to 1,800,851,393.25 and 3,902,271,309

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Solution

The third proportional to 1,800,851,393.25 and 3,902,271,309 is: 8,455,845,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,851,393.25 : 3,902,271,309 = 3,902,271,309 : x
  2. Step 2: Convert to fraction form
    1,800,851,393.25/3,902,271,309 = 3,902,271,309/x
  3. Step 3: Cross multiply
    1,800,851,393.25x = 3,902,271,309 × 3,902,271,309
  4. Step 4: Simplify right side
    1,800,851,393.25x = 15,227,721,369,044,574,208
  5. Step 5: Solve for x
    x = 15,227,721,369,044,574,208/1,800,851,393.25
  6. Step 6: Final answer
    x = 8,455,845,621.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.