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Finding the Third Proportional to 2,954,390.25 and 6,426,416.25

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Solution

The third proportional to 2,954,390.25 and 6,426,416.25 is: 13,978,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954,390.25 : 6,426,416.25 = 6,426,416.25 : x
  2. Step 2: Convert to fraction form
    2,954,390.25/6,426,416.25 = 6,426,416.25/x
  3. Step 3: Cross multiply
    2,954,390.25x = 6,426,416.25 × 6,426,416.25
  4. Step 4: Simplify right side
    2,954,390.25x = 41,298,825,818,264.06
  5. Step 5: Solve for x
    x = 41,298,825,818,264.06/2,954,390.25
  6. Step 6: Final answer
    x = 13,978,798.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.