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Finding the Third Proportional to 3,487,391.25 and 7,389,644.25

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Solution

The third proportional to 3,487,391.25 and 7,389,644.25 is: 15,658,364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,391.25 : 7,389,644.25 = 7,389,644.25 : x
  2. Step 2: Convert to fraction form
    3,487,391.25/7,389,644.25 = 7,389,644.25/x
  3. Step 3: Cross multiply
    3,487,391.25x = 7,389,644.25 × 7,389,644.25
  4. Step 4: Simplify right side
    3,487,391.25x = 54,606,842,141,558.06
  5. Step 5: Solve for x
    x = 54,606,842,141,558.06/3,487,391.25
  6. Step 6: Final answer
    x = 15,658,364.15

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.