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Finding the Third Proportional to 872,213 and 1,847,992.50

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Solution

The third proportional to 872,213 and 1,847,992.50 is: 3,915,415.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,213 : 1,847,992.50 = 1,847,992.50 : x
  2. Step 2: Convert to fraction form
    872,213/1,847,992.50 = 1,847,992.50/x
  3. Step 3: Cross multiply
    872,213x = 1,847,992.50 × 1,847,992.50
  4. Step 4: Simplify right side
    872,213x = 3,415,076,280,056.25
  5. Step 5: Solve for x
    x = 3,415,076,280,056.25/872,213
  6. Step 6: Final answer
    x = 3,915,415.48

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.