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Finding the Third Proportional to 889,358,562 and 1,931,815,183.50

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Solution

The third proportional to 889,358,562 and 1,931,815,183.50 is: 4,196,181,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,358,562 : 1,931,815,183.50 = 1,931,815,183.50 : x
  2. Step 2: Convert to fraction form
    889,358,562/1,931,815,183.50 = 1,931,815,183.50/x
  3. Step 3: Cross multiply
    889,358,562x = 1,931,815,183.50 × 1,931,815,183.50
  4. Step 4: Simplify right side
    889,358,562x = 3,731,909,903,201,138,688
  5. Step 5: Solve for x
    x = 3,731,909,903,201,138,688/889,358,562
  6. Step 6: Final answer
    x = 4,196,181,453.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.