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Finding the Third Proportional to 873,382.50 and 1,909,689

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Solution

The third proportional to 873,382.50 and 1,909,689 is: 4,175,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,382.50 : 1,909,689 = 1,909,689 : x
  2. Step 2: Convert to fraction form
    873,382.50/1,909,689 = 1,909,689/x
  3. Step 3: Cross multiply
    873,382.50x = 1,909,689 × 1,909,689
  4. Step 4: Simplify right side
    873,382.50x = 3,646,912,076,721
  5. Step 5: Solve for x
    x = 3,646,912,076,721/873,382.50
  6. Step 6: Final answer
    x = 4,175,618.45

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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.