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Finding the Third Proportional to 1,345,916.25 and 2,916,956.81

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Solution

The third proportional to 1,345,916.25 and 2,916,956.81 is: 6,321,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,916.25 : 2,916,956.81 = 2,916,956.81 : x
  2. Step 2: Convert to fraction form
    1,345,916.25/2,916,956.81 = 2,916,956.81/x
  3. Step 3: Cross multiply
    1,345,916.25x = 2,916,956.81 × 2,916,956.81
  4. Step 4: Simplify right side
    1,345,916.25x = 8,508,637,045,990.16
  5. Step 5: Solve for x
    x = 8,508,637,045,990.16/1,345,916.25
  6. Step 6: Final answer
    x = 6,321,817.61

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.