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Finding the Third Proportional to 1,817,851,236 and 3,926,267,400

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Solution

The third proportional to 1,817,851,236 and 3,926,267,400 is: 8,480,108,487.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,851,236 : 3,926,267,400 = 3,926,267,400 : x
  2. Step 2: Convert to fraction form
    1,817,851,236/3,926,267,400 = 3,926,267,400/x
  3. Step 3: Cross multiply
    1,817,851,236x = 3,926,267,400 × 3,926,267,400
  4. Step 4: Simplify right side
    1,817,851,236x = 15,415,575,696,302,759,936
  5. Step 5: Solve for x
    x = 15,415,575,696,302,759,936/1,817,851,236
  6. Step 6: Final answer
    x = 8,480,108,487.99

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.