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Finding the Third Proportional to 3,207,457 and 6,979,554

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Solution

The third proportional to 3,207,457 and 6,979,554 is: 15,187,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,457 : 6,979,554 = 6,979,554 : x
  2. Step 2: Convert to fraction form
    3,207,457/6,979,554 = 6,979,554/x
  3. Step 3: Cross multiply
    3,207,457x = 6,979,554 × 6,979,554
  4. Step 4: Simplify right side
    3,207,457x = 48,714,174,038,916
  5. Step 5: Solve for x
    x = 48,714,174,038,916/3,207,457
  6. Step 6: Final answer
    x = 15,187,787.10

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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.