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Finding the Third Proportional to 19,315,938.38 and 40,934,787.75

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Solution

The third proportional to 19,315,938.38 and 40,934,787.75 is: 86,749,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,938.38 : 40,934,787.75 = 40,934,787.75 : x
  2. Step 2: Convert to fraction form
    19,315,938.38/40,934,787.75 = 40,934,787.75/x
  3. Step 3: Cross multiply
    19,315,938.38x = 40,934,787.75 × 40,934,787.75
  4. Step 4: Simplify right side
    19,315,938.38x = 1,675,656,848,137,550
  5. Step 5: Solve for x
    x = 1,675,656,848,137,550/19,315,938.38
  6. Step 6: Final answer
    x = 86,749,958.28

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.