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Finding the Third Proportional to 513,559 and 1,145,135

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Solution

The third proportional to 513,559 and 1,145,135 is: 2,553,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,559 : 1,145,135 = 1,145,135 : x
  2. Step 2: Convert to fraction form
    513,559/1,145,135 = 1,145,135/x
  3. Step 3: Cross multiply
    513,559x = 1,145,135 × 1,145,135
  4. Step 4: Simplify right side
    513,559x = 1,311,334,168,225
  5. Step 5: Solve for x
    x = 1,311,334,168,225/513,559
  6. Step 6: Final answer
    x = 2,553,424.57

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.