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Finding the Third Proportional to 97,222 and 209,618

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Solution

The third proportional to 97,222 and 209,618 is: 451,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,222 : 209,618 = 209,618 : x
  2. Step 2: Convert to fraction form
    97,222/209,618 = 209,618/x
  3. Step 3: Cross multiply
    97,222x = 209,618 × 209,618
  4. Step 4: Simplify right side
    97,222x = 43,939,705,924
  5. Step 5: Solve for x
    x = 43,939,705,924/97,222
  6. Step 6: Final answer
    x = 451,952.29

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.