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Finding the Third Proportional to 1,872,358.50 and 4,033,128

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Solution

The third proportional to 1,872,358.50 and 4,033,128 is: 8,687,503.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,358.50 : 4,033,128 = 4,033,128 : x
  2. Step 2: Convert to fraction form
    1,872,358.50/4,033,128 = 4,033,128/x
  3. Step 3: Cross multiply
    1,872,358.50x = 4,033,128 × 4,033,128
  4. Step 4: Simplify right side
    1,872,358.50x = 16,266,121,464,384
  5. Step 5: Solve for x
    x = 16,266,121,464,384/1,872,358.50
  6. Step 6: Final answer
    x = 8,687,503.74

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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.