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Finding the Third Proportional to 803,214.50 and 1,689,261.50

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Solution

The third proportional to 803,214.50 and 1,689,261.50 is: 3,552,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,214.50 : 1,689,261.50 = 1,689,261.50 : x
  2. Step 2: Convert to fraction form
    803,214.50/1,689,261.50 = 1,689,261.50/x
  3. Step 3: Cross multiply
    803,214.50x = 1,689,261.50 × 1,689,261.50
  4. Step 4: Simplify right side
    803,214.50x = 2,853,604,415,382.25
  5. Step 5: Solve for x
    x = 2,853,604,415,382.25/803,214.50
  6. Step 6: Final answer
    x = 3,552,730.21

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.