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Finding the Third Proportional to 1,689,036.50 and 2,617,541.50

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Solution

The third proportional to 1,689,036.50 and 2,617,541.50 is: 4,056,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,036.50 : 2,617,541.50 = 2,617,541.50 : x
  2. Step 2: Convert to fraction form
    1,689,036.50/2,617,541.50 = 2,617,541.50/x
  3. Step 3: Cross multiply
    1,689,036.50x = 2,617,541.50 × 2,617,541.50
  4. Step 4: Simplify right side
    1,689,036.50x = 6,851,523,504,222.25
  5. Step 5: Solve for x
    x = 6,851,523,504,222.25/1,689,036.50
  6. Step 6: Final answer
    x = 4,056,468.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.