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Finding the Third Proportional to 418,926,318 and 881,266,044

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Solution

The third proportional to 418,926,318 and 881,266,044 is: 1,853,857,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,926,318 : 881,266,044 = 881,266,044 : x
  2. Step 2: Convert to fraction form
    418,926,318/881,266,044 = 881,266,044/x
  3. Step 3: Cross multiply
    418,926,318x = 881,266,044 × 881,266,044
  4. Step 4: Simplify right side
    418,926,318x = 776,629,840,307,409,920
  5. Step 5: Solve for x
    x = 776,629,840,307,409,920/418,926,318
  6. Step 6: Final answer
    x = 1,853,857,843.11

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.