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Finding the Third Proportional to 301,698 and 447,328.13

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Solution

The third proportional to 301,698 and 447,328.13 is: 663,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,698 : 447,328.13 = 447,328.13 : x
  2. Step 2: Convert to fraction form
    301,698/447,328.13 = 447,328.13/x
  3. Step 3: Cross multiply
    301,698x = 447,328.13 × 447,328.13
  4. Step 4: Simplify right side
    301,698x = 200,102,451,416.02
  5. Step 5: Solve for x
    x = 200,102,451,416.02/301,698
  6. Step 6: Final answer
    x = 663,254.15

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.