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Finding the Third Proportional to 815,116,587 and 1,790,365,038

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Solution

The third proportional to 815,116,587 and 1,790,365,038 is: 3,932,452,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,116,587 : 1,790,365,038 = 1,790,365,038 : x
  2. Step 2: Convert to fraction form
    815,116,587/1,790,365,038 = 1,790,365,038/x
  3. Step 3: Cross multiply
    815,116,587x = 1,790,365,038 × 1,790,365,038
  4. Step 4: Simplify right side
    815,116,587x = 3,205,406,969,292,741,632
  5. Step 5: Solve for x
    x = 3,205,406,969,292,741,632/815,116,587
  6. Step 6: Final answer
    x = 3,932,452,142.94

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.