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Finding the Third Proportional to 27,219,202 and 43,121,231

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Solution

The third proportional to 27,219,202 and 43,121,231 is: 68,313,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219,202 : 43,121,231 = 43,121,231 : x
  2. Step 2: Convert to fraction form
    27,219,202/43,121,231 = 43,121,231/x
  3. Step 3: Cross multiply
    27,219,202x = 43,121,231 × 43,121,231
  4. Step 4: Simplify right side
    27,219,202x = 1,859,440,562,955,361
  5. Step 5: Solve for x
    x = 1,859,440,562,955,361/27,219,202
  6. Step 6: Final answer
    x = 68,313,559.04

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.