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Finding the Third Proportional to 18,546,618 and 28,370,670

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Solution

The third proportional to 18,546,618 and 28,370,670 is: 43,398,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546,618 : 28,370,670 = 28,370,670 : x
  2. Step 2: Convert to fraction form
    18,546,618/28,370,670 = 28,370,670/x
  3. Step 3: Cross multiply
    18,546,618x = 28,370,670 × 28,370,670
  4. Step 4: Simplify right side
    18,546,618x = 804,894,916,248,900
  5. Step 5: Solve for x
    x = 804,894,916,248,900/18,546,618
  6. Step 6: Final answer
    x = 43,398,473.85

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.