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Finding the Third Proportional to 1,516,987.13 and 3,259,099.13

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Solution

The third proportional to 1,516,987.13 and 3,259,099.13 is: 7,001,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,987.13 : 3,259,099.13 = 3,259,099.13 : x
  2. Step 2: Convert to fraction form
    1,516,987.13/3,259,099.13 = 3,259,099.13/x
  3. Step 3: Cross multiply
    1,516,987.13x = 3,259,099.13 × 3,259,099.13
  4. Step 4: Simplify right side
    1,516,987.13x = 10,621,727,106,575.77
  5. Step 5: Solve for x
    x = 10,621,727,106,575.77/1,516,987.13
  6. Step 6: Final answer
    x = 7,001,857.12

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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.