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Finding the Third Proportional to 13,248,987.25 and 19,939,819.25

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Solution

The third proportional to 13,248,987.25 and 19,939,819.25 is: 30,009,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,987.25 : 19,939,819.25 = 19,939,819.25 : x
  2. Step 2: Convert to fraction form
    13,248,987.25/19,939,819.25 = 19,939,819.25/x
  3. Step 3: Cross multiply
    13,248,987.25x = 19,939,819.25 × 19,939,819.25
  4. Step 4: Simplify right side
    13,248,987.25x = 397,596,391,722,670.56
  5. Step 5: Solve for x
    x = 397,596,391,722,670.56/13,248,987.25
  6. Step 6: Final answer
    x = 30,009,568.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.