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Finding the Third Proportional to 1,878,340.50 and 4,110,921

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Solution

The third proportional to 1,878,340.50 and 4,110,921 is: 8,997,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,340.50 : 4,110,921 = 4,110,921 : x
  2. Step 2: Convert to fraction form
    1,878,340.50/4,110,921 = 4,110,921/x
  3. Step 3: Cross multiply
    1,878,340.50x = 4,110,921 × 4,110,921
  4. Step 4: Simplify right side
    1,878,340.50x = 16,899,671,468,241
  5. Step 5: Solve for x
    x = 16,899,671,468,241/1,878,340.50
  6. Step 6: Final answer
    x = 8,997,128.83

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.