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Finding the Third Proportional to 908,991 and 1,345,916.25

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Solution

The third proportional to 908,991 and 1,345,916.25 is: 1,992,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,991 : 1,345,916.25 = 1,345,916.25 : x
  2. Step 2: Convert to fraction form
    908,991/1,345,916.25 = 1,345,916.25/x
  3. Step 3: Cross multiply
    908,991x = 1,345,916.25 × 1,345,916.25
  4. Step 4: Simplify right side
    908,991x = 1,811,490,552,014.06
  5. Step 5: Solve for x
    x = 1,811,490,552,014.06/908,991
  6. Step 6: Final answer
    x = 1,992,858.62

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.