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Finding the Third Proportional to 2,172,066.89 and 2,949,938.37

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Solution

The third proportional to 2,172,066.89 and 2,949,938.37 is: 4,006,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,066.89 : 2,949,938.37 = 2,949,938.37 : x
  2. Step 2: Convert to fraction form
    2,172,066.89/2,949,938.37 = 2,949,938.37/x
  3. Step 3: Cross multiply
    2,172,066.89x = 2,949,938.37 × 2,949,938.37
  4. Step 4: Simplify right side
    2,172,066.89x = 8,702,136,370,204.85
  5. Step 5: Solve for x
    x = 8,702,136,370,204.85/2,172,066.89
  6. Step 6: Final answer
    x = 4,006,385.07

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.