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Finding the Third Proportional to 6,688,372 and 10,248,390

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Solution

The third proportional to 6,688,372 and 10,248,390 is: 15,703,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,372 : 10,248,390 = 10,248,390 : x
  2. Step 2: Convert to fraction form
    6,688,372/10,248,390 = 10,248,390/x
  3. Step 3: Cross multiply
    6,688,372x = 10,248,390 × 10,248,390
  4. Step 4: Simplify right side
    6,688,372x = 105,029,497,592,100
  5. Step 5: Solve for x
    x = 105,029,497,592,100/6,688,372
  6. Step 6: Final answer
    x = 15,703,297.84

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.