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Finding the Third Proportional to 358,200 and 753,264

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Solution

The third proportional to 358,200 and 753,264 is: 1,584,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,200 : 753,264 = 753,264 : x
  2. Step 2: Convert to fraction form
    358,200/753,264 = 753,264/x
  3. Step 3: Cross multiply
    358,200x = 753,264 × 753,264
  4. Step 4: Simplify right side
    358,200x = 567,406,653,696
  5. Step 5: Solve for x
    x = 567,406,653,696/358,200
  6. Step 6: Final answer
    x = 1,584,049.84

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.