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Finding the Third Proportional to 528,037 and 1,121,521

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Solution

The third proportional to 528,037 and 1,121,521 is: 2,382,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,037 : 1,121,521 = 1,121,521 : x
  2. Step 2: Convert to fraction form
    528,037/1,121,521 = 1,121,521/x
  3. Step 3: Cross multiply
    528,037x = 1,121,521 × 1,121,521
  4. Step 4: Simplify right side
    528,037x = 1,257,809,353,441
  5. Step 5: Solve for x
    x = 1,257,809,353,441/528,037
  6. Step 6: Final answer
    x = 2,382,047.76

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.