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Finding the Third Proportional to 8,719,607.81 and 20,366,456.06

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Solution

The third proportional to 8,719,607.81 and 20,366,456.06 is: 47,570,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719,607.81 : 20,366,456.06 = 20,366,456.06 : x
  2. Step 2: Convert to fraction form
    8,719,607.81/20,366,456.06 = 20,366,456.06/x
  3. Step 3: Cross multiply
    8,719,607.81x = 20,366,456.06 × 20,366,456.06
  4. Step 4: Simplify right side
    8,719,607.81x = 414,792,532,545,743
  5. Step 5: Solve for x
    x = 414,792,532,545,743/8,719,607.81
  6. Step 6: Final answer
    x = 47,570,090.47

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.