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Finding the Third Proportional to 1,618,332.75 and 3,436,151.63

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Solution

The third proportional to 1,618,332.75 and 3,436,151.63 is: 7,295,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,332.75 : 3,436,151.63 = 3,436,151.63 : x
  2. Step 2: Convert to fraction form
    1,618,332.75/3,436,151.63 = 3,436,151.63/x
  3. Step 3: Cross multiply
    1,618,332.75x = 3,436,151.63 × 3,436,151.63
  4. Step 4: Simplify right side
    1,618,332.75x = 11,807,137,989,990.14
  5. Step 5: Solve for x
    x = 11,807,137,989,990.14/1,618,332.75
  6. Step 6: Final answer
    x = 7,295,865.45

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.