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Finding the Third Proportional to 4,045,432 and 8,836,355

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Solution

The third proportional to 4,045,432 and 8,836,355 is: 19,301,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045,432 : 8,836,355 = 8,836,355 : x
  2. Step 2: Convert to fraction form
    4,045,432/8,836,355 = 8,836,355/x
  3. Step 3: Cross multiply
    4,045,432x = 8,836,355 × 8,836,355
  4. Step 4: Simplify right side
    4,045,432x = 78,081,169,686,025
  5. Step 5: Solve for x
    x = 78,081,169,686,025/4,045,432
  6. Step 6: Final answer
    x = 19,301,070.86

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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.