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Finding the Third Proportional to 286,215 and 453,105

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Solution

The third proportional to 286,215 and 453,105 is: 717,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,215 : 453,105 = 453,105 : x
  2. Step 2: Convert to fraction form
    286,215/453,105 = 453,105/x
  3. Step 3: Cross multiply
    286,215x = 453,105 × 453,105
  4. Step 4: Simplify right side
    286,215x = 205,304,141,025
  5. Step 5: Solve for x
    x = 205,304,141,025/286,215
  6. Step 6: Final answer
    x = 717,307.41

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.