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Finding the Third Proportional to 1,808,692.88 and 2,799,319.50

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Solution

The third proportional to 1,808,692.88 and 2,799,319.50 is: 4,332,515.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,692.88 : 2,799,319.50 = 2,799,319.50 : x
  2. Step 2: Convert to fraction form
    1,808,692.88/2,799,319.50 = 2,799,319.50/x
  3. Step 3: Cross multiply
    1,808,692.88x = 2,799,319.50 × 2,799,319.50
  4. Step 4: Simplify right side
    1,808,692.88x = 7,836,189,663,080.25
  5. Step 5: Solve for x
    x = 7,836,189,663,080.25/1,808,692.88
  6. Step 6: Final answer
    x = 4,332,515.36

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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.