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Finding the Third Proportional to 399,941,016 and 623,294,244

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Solution

The third proportional to 399,941,016 and 623,294,244 is: 971,382,526.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,941,016 : 623,294,244 = 623,294,244 : x
  2. Step 2: Convert to fraction form
    399,941,016/623,294,244 = 623,294,244/x
  3. Step 3: Cross multiply
    399,941,016x = 623,294,244 × 623,294,244
  4. Step 4: Simplify right side
    399,941,016x = 388,495,714,603,531,520
  5. Step 5: Solve for x
    x = 388,495,714,603,531,520/399,941,016
  6. Step 6: Final answer
    x = 971,382,526.58

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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.