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Finding the Third Proportional to 65,604 and 143,817

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Solution

The third proportional to 65,604 and 143,817 is: 315,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,604 : 143,817 = 143,817 : x
  2. Step 2: Convert to fraction form
    65,604/143,817 = 143,817/x
  3. Step 3: Cross multiply
    65,604x = 143,817 × 143,817
  4. Step 4: Simplify right side
    65,604x = 20,683,329,489
  5. Step 5: Solve for x
    x = 20,683,329,489/65,604
  6. Step 6: Final answer
    x = 315,275.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.