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Finding the Third Proportional to 12,853,318 and 18,787,392

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Solution

The third proportional to 12,853,318 and 18,787,392 is: 27,461,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853,318 : 18,787,392 = 18,787,392 : x
  2. Step 2: Convert to fraction form
    12,853,318/18,787,392 = 18,787,392/x
  3. Step 3: Cross multiply
    12,853,318x = 18,787,392 × 18,787,392
  4. Step 4: Simplify right side
    12,853,318x = 352,966,098,161,664
  5. Step 5: Solve for x
    x = 352,966,098,161,664/12,853,318
  6. Step 6: Final answer
    x = 27,461,088.11

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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.