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Finding the Third Proportional to 1,417,893.75 and 2,179,402.88

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Solution

The third proportional to 1,417,893.75 and 2,179,402.88 is: 3,349,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,893.75 : 2,179,402.88 = 2,179,402.88 : x
  2. Step 2: Convert to fraction form
    1,417,893.75/2,179,402.88 = 2,179,402.88/x
  3. Step 3: Cross multiply
    1,417,893.75x = 2,179,402.88 × 2,179,402.88
  4. Step 4: Simplify right side
    1,417,893.75x = 4,749,796,891,558.27
  5. Step 5: Solve for x
    x = 4,749,796,891,558.27/1,417,893.75
  6. Step 6: Final answer
    x = 3,349,896.20

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.