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Finding the Third Proportional to 424,946,548.69 and 919,003,254.19

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Solution

The third proportional to 424,946,548.69 and 919,003,254.19 is: 1,987,466,385.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,946,548.69 : 919,003,254.19 = 919,003,254.19 : x
  2. Step 2: Convert to fraction form
    424,946,548.69/919,003,254.19 = 919,003,254.19/x
  3. Step 3: Cross multiply
    424,946,548.69x = 919,003,254.19 × 919,003,254.19
  4. Step 4: Simplify right side
    424,946,548.69x = 844,566,981,207,214,720
  5. Step 5: Solve for x
    x = 844,566,981,207,214,720/424,946,548.69
  6. Step 6: Final answer
    x = 1,987,466,385.63

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