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Finding the Third Proportional to 357,318 and 756,108

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Solution

The third proportional to 357,318 and 756,108 is: 1,599,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,318 : 756,108 = 756,108 : x
  2. Step 2: Convert to fraction form
    357,318/756,108 = 756,108/x
  3. Step 3: Cross multiply
    357,318x = 756,108 × 756,108
  4. Step 4: Simplify right side
    357,318x = 571,699,307,664
  5. Step 5: Solve for x
    x = 571,699,307,664/357,318
  6. Step 6: Final answer
    x = 1,599,973.43

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.