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Finding the Third Proportional to 18,931,764 and 27,072,648

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Solution

The third proportional to 18,931,764 and 27,072,648 is: 38,714,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931,764 : 27,072,648 = 27,072,648 : x
  2. Step 2: Convert to fraction form
    18,931,764/27,072,648 = 27,072,648/x
  3. Step 3: Cross multiply
    18,931,764x = 27,072,648 × 27,072,648
  4. Step 4: Simplify right side
    18,931,764x = 732,928,269,731,904
  5. Step 5: Solve for x
    x = 732,928,269,731,904/18,931,764
  6. Step 6: Final answer
    x = 38,714,209.08

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.