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Finding the Third Proportional to 4,316,782.50 and 9,286,794.56

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Solution

The third proportional to 4,316,782.50 and 9,286,794.56 is: 19,978,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316,782.50 : 9,286,794.56 = 9,286,794.56 : x
  2. Step 2: Convert to fraction form
    4,316,782.50/9,286,794.56 = 9,286,794.56/x
  3. Step 3: Cross multiply
    4,316,782.50x = 9,286,794.56 × 9,286,794.56
  4. Step 4: Simplify right side
    4,316,782.50x = 86,244,553,246,079.56
  5. Step 5: Solve for x
    x = 86,244,553,246,079.56/4,316,782.50
  6. Step 6: Final answer
    x = 19,978,897.07

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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.