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Finding the Third Proportional to 4,039,072 and 8,645,534

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Solution

The third proportional to 4,039,072 and 8,645,534 is: 18,505,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039,072 : 8,645,534 = 8,645,534 : x
  2. Step 2: Convert to fraction form
    4,039,072/8,645,534 = 8,645,534/x
  3. Step 3: Cross multiply
    4,039,072x = 8,645,534 × 8,645,534
  4. Step 4: Simplify right side
    4,039,072x = 74,745,258,145,156
  5. Step 5: Solve for x
    x = 74,745,258,145,156/4,039,072
  6. Step 6: Final answer
    x = 18,505,552.30

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.