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Finding the Third Proportional to 132,408 and 312,303

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Solution

The third proportional to 132,408 and 312,303 is: 736,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,408 : 312,303 = 312,303 : x
  2. Step 2: Convert to fraction form
    132,408/312,303 = 312,303/x
  3. Step 3: Cross multiply
    132,408x = 312,303 × 312,303
  4. Step 4: Simplify right side
    132,408x = 97,533,163,809
  5. Step 5: Solve for x
    x = 97,533,163,809/132,408
  6. Step 6: Final answer
    x = 736,610.81

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.