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Finding the Third Proportional to 12,853,330 and 18,787,410

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Solution

The third proportional to 12,853,330 and 18,787,410 is: 27,461,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853,330 : 18,787,410 = 18,787,410 : x
  2. Step 2: Convert to fraction form
    12,853,330/18,787,410 = 18,787,410/x
  3. Step 3: Cross multiply
    12,853,330x = 18,787,410 × 18,787,410
  4. Step 4: Simplify right side
    12,853,330x = 352,966,774,508,100
  5. Step 5: Solve for x
    x = 352,966,774,508,100/12,853,330
  6. Step 6: Final answer
    x = 27,461,115.10

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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.