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Finding the Third Proportional to 1,913,446,615 and 2,995,066,559

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Solution

The third proportional to 1,913,446,615 and 2,995,066,559 is: 4,688,097,186.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,446,615 : 2,995,066,559 = 2,995,066,559 : x
  2. Step 2: Convert to fraction form
    1,913,446,615/2,995,066,559 = 2,995,066,559/x
  3. Step 3: Cross multiply
    1,913,446,615x = 2,995,066,559 × 2,995,066,559
  4. Step 4: Simplify right side
    1,913,446,615x = 8,970,423,692,840,100,864
  5. Step 5: Solve for x
    x = 8,970,423,692,840,100,864/1,913,446,615
  6. Step 6: Final answer
    x = 4,688,097,186.78

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.