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Finding the Third Proportional to 13,688,808 and 19,138,932

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Solution

The third proportional to 13,688,808 and 19,138,932 is: 26,758,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,688,808 : 19,138,932 = 19,138,932 : x
  2. Step 2: Convert to fraction form
    13,688,808/19,138,932 = 19,138,932/x
  3. Step 3: Cross multiply
    13,688,808x = 19,138,932 × 19,138,932
  4. Step 4: Simplify right side
    13,688,808x = 366,298,718,100,624
  5. Step 5: Solve for x
    x = 366,298,718,100,624/13,688,808
  6. Step 6: Final answer
    x = 26,758,993.05

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.