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Finding the Third Proportional to 188,550 and 406,618

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Solution

The third proportional to 188,550 and 406,618 is: 876,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,550 : 406,618 = 406,618 : x
  2. Step 2: Convert to fraction form
    188,550/406,618 = 406,618/x
  3. Step 3: Cross multiply
    188,550x = 406,618 × 406,618
  4. Step 4: Simplify right side
    188,550x = 165,338,197,924
  5. Step 5: Solve for x
    x = 165,338,197,924/188,550
  6. Step 6: Final answer
    x = 876,893.12

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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.