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Finding the Third Proportional to 1,912,390,560 and 2,813,899,944

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Solution

The third proportional to 1,912,390,560 and 2,813,899,944 is: 4,140,384,846.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,390,560 : 2,813,899,944 = 2,813,899,944 : x
  2. Step 2: Convert to fraction form
    1,912,390,560/2,813,899,944 = 2,813,899,944/x
  3. Step 3: Cross multiply
    1,912,390,560x = 2,813,899,944 × 2,813,899,944
  4. Step 4: Simplify right side
    1,912,390,560x = 7,918,032,894,843,203,584
  5. Step 5: Solve for x
    x = 7,918,032,894,843,203,584/1,912,390,560
  6. Step 6: Final answer
    x = 4,140,384,846.31

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.