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Finding the Third Proportional to 3,116,090.25 and 4,661,685

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Solution

The third proportional to 3,116,090.25 and 4,661,685 is: 6,973,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,090.25 : 4,661,685 = 4,661,685 : x
  2. Step 2: Convert to fraction form
    3,116,090.25/4,661,685 = 4,661,685/x
  3. Step 3: Cross multiply
    3,116,090.25x = 4,661,685 × 4,661,685
  4. Step 4: Simplify right side
    3,116,090.25x = 21,731,307,039,225
  5. Step 5: Solve for x
    x = 21,731,307,039,225/3,116,090.25
  6. Step 6: Final answer
    x = 6,973,901.68

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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.