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Finding the Third Proportional to 521,826,417 and 1,118,350,708.50

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Solution

The third proportional to 521,826,417 and 1,118,350,708.50 is: 2,396,789,940.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,826,417 : 1,118,350,708.50 = 1,118,350,708.50 : x
  2. Step 2: Convert to fraction form
    521,826,417/1,118,350,708.50 = 1,118,350,708.50/x
  3. Step 3: Cross multiply
    521,826,417x = 1,118,350,708.50 × 1,118,350,708.50
  4. Step 4: Simplify right side
    521,826,417x = 1,250,708,307,202,451,968
  5. Step 5: Solve for x
    x = 1,250,708,307,202,451,968/521,826,417
  6. Step 6: Final answer
    x = 2,396,789,940.98

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.