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Finding the Third Proportional to 928,640.95 and 1,388,691.84

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Solution

The third proportional to 928,640.95 and 1,388,691.84 is: 2,076,653.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,640.95 : 1,388,691.84 = 1,388,691.84 : x
  2. Step 2: Convert to fraction form
    928,640.95/1,388,691.84 = 1,388,691.84/x
  3. Step 3: Cross multiply
    928,640.95x = 1,388,691.84 × 1,388,691.84
  4. Step 4: Simplify right side
    928,640.95x = 1,928,465,036,897.77
  5. Step 5: Solve for x
    x = 1,928,465,036,897.77/928,640.95
  6. Step 6: Final answer
    x = 2,076,653.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.