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Finding the Third Proportional to 897,636 and 1,311,736.50

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Solution

The third proportional to 897,636 and 1,311,736.50 is: 1,916,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,636 : 1,311,736.50 = 1,311,736.50 : x
  2. Step 2: Convert to fraction form
    897,636/1,311,736.50 = 1,311,736.50/x
  3. Step 3: Cross multiply
    897,636x = 1,311,736.50 × 1,311,736.50
  4. Step 4: Simplify right side
    897,636x = 1,720,652,645,432.25
  5. Step 5: Solve for x
    x = 1,720,652,645,432.25/897,636
  6. Step 6: Final answer
    x = 1,916,871.25

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.