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Finding the Third Proportional to 3,938,835.94 and 8,549,904.38

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Solution

The third proportional to 3,938,835.94 and 8,549,904.38 is: 18,559,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,835.94 : 8,549,904.38 = 8,549,904.38 : x
  2. Step 2: Convert to fraction form
    3,938,835.94/8,549,904.38 = 8,549,904.38/x
  3. Step 3: Cross multiply
    3,938,835.94x = 8,549,904.38 × 8,549,904.38
  4. Step 4: Simplify right side
    3,938,835.94x = 73,100,864,821,644.14
  5. Step 5: Solve for x
    x = 73,100,864,821,644.14/3,938,835.94
  6. Step 6: Final answer
    x = 18,559,002.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.