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Finding the Third Proportional to 7,972,392 and 18,716,460

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Solution

The third proportional to 7,972,392 and 18,716,460 is: 43,939,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,392 : 18,716,460 = 18,716,460 : x
  2. Step 2: Convert to fraction form
    7,972,392/18,716,460 = 18,716,460/x
  3. Step 3: Cross multiply
    7,972,392x = 18,716,460 × 18,716,460
  4. Step 4: Simplify right side
    7,972,392x = 350,305,874,931,600
  5. Step 5: Solve for x
    x = 350,305,874,931,600/7,972,392
  6. Step 6: Final answer
    x = 43,939,870.86

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.