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Finding the Third Proportional to 2,920,090.50 and 6,289,427.25

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Solution

The third proportional to 2,920,090.50 and 6,289,427.25 is: 13,546,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,090.50 : 6,289,427.25 = 6,289,427.25 : x
  2. Step 2: Convert to fraction form
    2,920,090.50/6,289,427.25 = 6,289,427.25/x
  3. Step 3: Cross multiply
    2,920,090.50x = 6,289,427.25 × 6,289,427.25
  4. Step 4: Simplify right side
    2,920,090.50x = 39,556,895,133,042.56
  5. Step 5: Solve for x
    x = 39,556,895,133,042.56/2,920,090.50
  6. Step 6: Final answer
    x = 13,546,462.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.