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Finding the Third Proportional to 917,507.25 and 2,158,715.25

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Solution

The third proportional to 917,507.25 and 2,158,715.25 is: 5,079,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,507.25 : 2,158,715.25 = 2,158,715.25 : x
  2. Step 2: Convert to fraction form
    917,507.25/2,158,715.25 = 2,158,715.25/x
  3. Step 3: Cross multiply
    917,507.25x = 2,158,715.25 × 2,158,715.25
  4. Step 4: Simplify right side
    917,507.25x = 4,660,051,530,582.56
  5. Step 5: Solve for x
    x = 4,660,051,530,582.56/917,507.25
  6. Step 6: Final answer
    x = 5,079,035.10

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.