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Finding the Third Proportional to 1,663,179.75 and 3,574,816.88

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Solution

The third proportional to 1,663,179.75 and 3,574,816.88 is: 7,683,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,179.75 : 3,574,816.88 = 3,574,816.88 : x
  2. Step 2: Convert to fraction form
    1,663,179.75/3,574,816.88 = 3,574,816.88/x
  3. Step 3: Cross multiply
    1,663,179.75x = 3,574,816.88 × 3,574,816.88
  4. Step 4: Simplify right side
    1,663,179.75x = 12,779,315,689,784.77
  5. Step 5: Solve for x
    x = 12,779,315,689,784.77/1,663,179.75
  6. Step 6: Final answer
    x = 7,683,664.79

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.