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Finding the Third Proportional to 71,122 and 153,618

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Solution

The third proportional to 71,122 and 153,618 is: 331,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,122 : 153,618 = 153,618 : x
  2. Step 2: Convert to fraction form
    71,122/153,618 = 153,618/x
  3. Step 3: Cross multiply
    71,122x = 153,618 × 153,618
  4. Step 4: Simplify right side
    71,122x = 23,598,489,924
  5. Step 5: Solve for x
    x = 23,598,489,924/71,122
  6. Step 6: Final answer
    x = 331,802.96

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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.