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Finding the Third Proportional to 2,129,783.63 and 2,869,723.69

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Solution

The third proportional to 2,129,783.63 and 2,869,723.69 is: 3,866,737.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,783.63 : 2,869,723.69 = 2,869,723.69 : x
  2. Step 2: Convert to fraction form
    2,129,783.63/2,869,723.69 = 2,869,723.69/x
  3. Step 3: Cross multiply
    2,129,783.63x = 2,869,723.69 × 2,869,723.69
  4. Step 4: Simplify right side
    2,129,783.63x = 8,235,314,042,598.60
  5. Step 5: Solve for x
    x = 8,235,314,042,598.60/2,129,783.63
  6. Step 6: Final answer
    x = 3,866,737.42

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.