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Finding the Third Proportional to 3,388,728.02 and 5,090,487.40

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Solution

The third proportional to 3,388,728.02 and 5,090,487.40 is: 7,646,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,728.02 : 5,090,487.40 = 5,090,487.40 : x
  2. Step 2: Convert to fraction form
    3,388,728.02/5,090,487.40 = 5,090,487.40/x
  3. Step 3: Cross multiply
    3,388,728.02x = 5,090,487.40 × 5,090,487.40
  4. Step 4: Simplify right side
    3,388,728.02x = 25,913,061,953,650.99
  5. Step 5: Solve for x
    x = 25,913,061,953,650.99/3,388,728.02
  6. Step 6: Final answer
    x = 7,646,840.28

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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.