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Finding the Third Proportional to 389,041,423 and 853,773,093

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Solution

The third proportional to 389,041,423 and 853,773,093 is: 1,873,652,653.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,041,423 : 853,773,093 = 853,773,093 : x
  2. Step 2: Convert to fraction form
    389,041,423/853,773,093 = 853,773,093/x
  3. Step 3: Cross multiply
    389,041,423x = 853,773,093 × 853,773,093
  4. Step 4: Simplify right side
    389,041,423x = 728,928,494,330,786,688
  5. Step 5: Solve for x
    x = 728,928,494,330,786,688/389,041,423
  6. Step 6: Final answer
    x = 1,873,652,653.00

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.