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Finding the Third Proportional to 448,719.75 and 673,389

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Solution

The third proportional to 448,719.75 and 673,389 is: 1,010,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,719.75 : 673,389 = 673,389 : x
  2. Step 2: Convert to fraction form
    448,719.75/673,389 = 673,389/x
  3. Step 3: Cross multiply
    448,719.75x = 673,389 × 673,389
  4. Step 4: Simplify right side
    448,719.75x = 453,452,745,321
  5. Step 5: Solve for x
    x = 453,452,745,321/448,719.75
  6. Step 6: Final answer
    x = 1,010,547.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.