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Finding the Third Proportional to 9,836,465,498 and 21,243,479,092

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Solution

The third proportional to 9,836,465,498 and 21,243,479,092 is: 45,878,817,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,836,465,498 : 21,243,479,092 = 21,243,479,092 : x
  2. Step 2: Convert to fraction form
    9,836,465,498/21,243,479,092 = 21,243,479,092/x
  3. Step 3: Cross multiply
    9,836,465,498x = 21,243,479,092 × 21,243,479,092
  4. Step 4: Simplify right side
    9,836,465,498x = 451,285,403,932,241,166,336
  5. Step 5: Solve for x
    x = 451,285,403,932,241,166,336/9,836,465,498
  6. Step 6: Final answer
    x = 45,878,817,347.96

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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.