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Finding the Third Proportional to 777,282 and 1,681,884.50

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Solution

The third proportional to 777,282 and 1,681,884.50 is: 3,639,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,282 : 1,681,884.50 = 1,681,884.50 : x
  2. Step 2: Convert to fraction form
    777,282/1,681,884.50 = 1,681,884.50/x
  3. Step 3: Cross multiply
    777,282x = 1,681,884.50 × 1,681,884.50
  4. Step 4: Simplify right side
    777,282x = 2,828,735,471,340.25
  5. Step 5: Solve for x
    x = 2,828,735,471,340.25/777,282
  6. Step 6: Final answer
    x = 3,639,265.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.