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Finding the Third Proportional to 1,922,312,236 and 2,977,914,066

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Solution

The third proportional to 1,922,312,236 and 2,977,914,066 is: 4,613,179,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922,312,236 : 2,977,914,066 = 2,977,914,066 : x
  2. Step 2: Convert to fraction form
    1,922,312,236/2,977,914,066 = 2,977,914,066/x
  3. Step 3: Cross multiply
    1,922,312,236x = 2,977,914,066 × 2,977,914,066
  4. Step 4: Simplify right side
    1,922,312,236x = 8,867,972,184,480,652,288
  5. Step 5: Solve for x
    x = 8,867,972,184,480,652,288/1,922,312,236
  6. Step 6: Final answer
    x = 4,613,179,908.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.