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Finding the Third Proportional to 1,580,218.50 and 3,400,267.50

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Solution

The third proportional to 1,580,218.50 and 3,400,267.50 is: 7,316,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,218.50 : 3,400,267.50 = 3,400,267.50 : x
  2. Step 2: Convert to fraction form
    1,580,218.50/3,400,267.50 = 3,400,267.50/x
  3. Step 3: Cross multiply
    1,580,218.50x = 3,400,267.50 × 3,400,267.50
  4. Step 4: Simplify right side
    1,580,218.50x = 11,561,819,071,556.25
  5. Step 5: Solve for x
    x = 11,561,819,071,556.25/1,580,218.50
  6. Step 6: Final answer
    x = 7,316,595.19

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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.