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Finding the Third Proportional to 57,112,568 and 88,288,731

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Solution

The third proportional to 57,112,568 and 88,288,731 is: 136,483,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,112,568 : 88,288,731 = 88,288,731 : x
  2. Step 2: Convert to fraction form
    57,112,568/88,288,731 = 88,288,731/x
  3. Step 3: Cross multiply
    57,112,568x = 88,288,731 × 88,288,731
  4. Step 4: Simplify right side
    57,112,568x = 7,794,900,021,590,361
  5. Step 5: Solve for x
    x = 7,794,900,021,590,361/57,112,568
  6. Step 6: Final answer
    x = 136,483,094.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.