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Finding the Third Proportional to 1,872,261.84 and 2,808,437.06

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Solution

The third proportional to 1,872,261.84 and 2,808,437.06 is: 4,212,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,261.84 : 2,808,437.06 = 2,808,437.06 : x
  2. Step 2: Convert to fraction form
    1,872,261.84/2,808,437.06 = 2,808,437.06/x
  3. Step 3: Cross multiply
    1,872,261.84x = 2,808,437.06 × 2,808,437.06
  4. Step 4: Simplify right side
    1,872,261.84x = 7,887,318,734,023.63
  5. Step 5: Solve for x
    x = 7,887,318,734,023.63/1,872,261.84
  6. Step 6: Final answer
    x = 4,212,722.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.