Home / 279,245,328.75-449,938,613.25

Finding the Third Proportional to 279,245,328.75 and 449,938,613.25

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Solution

The third proportional to 279,245,328.75 and 449,938,613.25 is: 724,970,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,245,328.75 : 449,938,613.25 = 449,938,613.25 : x
  2. Step 2: Convert to fraction form
    279,245,328.75/449,938,613.25 = 449,938,613.25/x
  3. Step 3: Cross multiply
    279,245,328.75x = 449,938,613.25 × 449,938,613.25
  4. Step 4: Simplify right side
    279,245,328.75x = 202,444,755,693,333,088
  5. Step 5: Solve for x
    x = 202,444,755,693,333,088/279,245,328.75
  6. Step 6: Final answer
    x = 724,970,965.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.