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Finding the Third Proportional to 199,545.75 and 430,742.25

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Solution

The third proportional to 199,545.75 and 430,742.25 is: 929,806.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,545.75 : 430,742.25 = 430,742.25 : x
  2. Step 2: Convert to fraction form
    199,545.75/430,742.25 = 430,742.25/x
  3. Step 3: Cross multiply
    199,545.75x = 430,742.25 × 430,742.25
  4. Step 4: Simplify right side
    199,545.75x = 185,538,885,935.06
  5. Step 5: Solve for x
    x = 185,538,885,935.06/199,545.75
  6. Step 6: Final answer
    x = 929,806.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.