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Finding the Third Proportional to 113,408 and 264,888

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Solution

The third proportional to 113,408 and 264,888 is: 618,701.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,408 : 264,888 = 264,888 : x
  2. Step 2: Convert to fraction form
    113,408/264,888 = 264,888/x
  3. Step 3: Cross multiply
    113,408x = 264,888 × 264,888
  4. Step 4: Simplify right side
    113,408x = 70,165,652,544
  5. Step 5: Solve for x
    x = 70,165,652,544/113,408
  6. Step 6: Final answer
    x = 618,701.08

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.