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Finding the Third Proportional to 446,935.50 and 638,452.50

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Solution

The third proportional to 446,935.50 and 638,452.50 is: 912,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,935.50 : 638,452.50 = 638,452.50 : x
  2. Step 2: Convert to fraction form
    446,935.50/638,452.50 = 638,452.50/x
  3. Step 3: Cross multiply
    446,935.50x = 638,452.50 × 638,452.50
  4. Step 4: Simplify right side
    446,935.50x = 407,621,594,756.25
  5. Step 5: Solve for x
    x = 407,621,594,756.25/446,935.50
  6. Step 6: Final answer
    x = 912,036.74

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.