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Finding the Third Proportional to 18,538,875 and 27,144,651

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Solution

The third proportional to 18,538,875 and 27,144,651 is: 39,745,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,875 : 27,144,651 = 27,144,651 : x
  2. Step 2: Convert to fraction form
    18,538,875/27,144,651 = 27,144,651/x
  3. Step 3: Cross multiply
    18,538,875x = 27,144,651 × 27,144,651
  4. Step 4: Simplify right side
    18,538,875x = 736,832,077,911,801
  5. Step 5: Solve for x
    x = 736,832,077,911,801/18,538,875
  6. Step 6: Final answer
    x = 39,745,242.25

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.