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Finding the Third Proportional to 135,698 and 297,316

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Solution

The third proportional to 135,698 and 297,316 is: 651,423.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,698 : 297,316 = 297,316 : x
  2. Step 2: Convert to fraction form
    135,698/297,316 = 297,316/x
  3. Step 3: Cross multiply
    135,698x = 297,316 × 297,316
  4. Step 4: Simplify right side
    135,698x = 88,396,803,856
  5. Step 5: Solve for x
    x = 88,396,803,856/135,698
  6. Step 6: Final answer
    x = 651,423.04

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.