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Finding the Third Proportional to 131,454 and 286,932

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Solution

The third proportional to 131,454 and 286,932 is: 626,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,454 : 286,932 = 286,932 : x
  2. Step 2: Convert to fraction form
    131,454/286,932 = 286,932/x
  3. Step 3: Cross multiply
    131,454x = 286,932 × 286,932
  4. Step 4: Simplify right side
    131,454x = 82,329,972,624
  5. Step 5: Solve for x
    x = 82,329,972,624/131,454
  6. Step 6: Final answer
    x = 626,302.53

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.