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Finding the Third Proportional to 813,003 and 1,207,717.50

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Solution

The third proportional to 813,003 and 1,207,717.50 is: 1,794,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,003 : 1,207,717.50 = 1,207,717.50 : x
  2. Step 2: Convert to fraction form
    813,003/1,207,717.50 = 1,207,717.50/x
  3. Step 3: Cross multiply
    813,003x = 1,207,717.50 × 1,207,717.50
  4. Step 4: Simplify right side
    813,003x = 1,458,581,559,806.25
  5. Step 5: Solve for x
    x = 1,458,581,559,806.25/813,003
  6. Step 6: Final answer
    x = 1,794,066.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.