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Finding the Third Proportional to 446,561 and 665,228.50

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Solution

The third proportional to 446,561 and 665,228.50 is: 990,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,561 : 665,228.50 = 665,228.50 : x
  2. Step 2: Convert to fraction form
    446,561/665,228.50 = 665,228.50/x
  3. Step 3: Cross multiply
    446,561x = 665,228.50 × 665,228.50
  4. Step 4: Simplify right side
    446,561x = 442,528,957,212.25
  5. Step 5: Solve for x
    x = 442,528,957,212.25/446,561
  6. Step 6: Final answer
    x = 990,970.90

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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.