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Finding the Third Proportional to 211,239 and 469,706

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Solution

The third proportional to 211,239 and 469,706 is: 1,044,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,239 : 469,706 = 469,706 : x
  2. Step 2: Convert to fraction form
    211,239/469,706 = 469,706/x
  3. Step 3: Cross multiply
    211,239x = 469,706 × 469,706
  4. Step 4: Simplify right side
    211,239x = 220,623,726,436
  5. Step 5: Solve for x
    x = 220,623,726,436/211,239
  6. Step 6: Final answer
    x = 1,044,427.05

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.