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Finding the Third Proportional to 384,155,808.75 and 826,575,909.75

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Solution

The third proportional to 384,155,808.75 and 826,575,909.75 is: 1,778,517,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,155,808.75 : 826,575,909.75 = 826,575,909.75 : x
  2. Step 2: Convert to fraction form
    384,155,808.75/826,575,909.75 = 826,575,909.75/x
  3. Step 3: Cross multiply
    384,155,808.75x = 826,575,909.75 × 826,575,909.75
  4. Step 4: Simplify right side
    384,155,808.75x = 683,227,734,579,040,128
  5. Step 5: Solve for x
    x = 683,227,734,579,040,128/384,155,808.75
  6. Step 6: Final answer
    x = 1,778,517,255.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.