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Finding the Third Proportional to 10,302,392 and 20,345,489

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Solution

The third proportional to 10,302,392 and 20,345,489 is: 40,178,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302,392 : 20,345,489 = 20,345,489 : x
  2. Step 2: Convert to fraction form
    10,302,392/20,345,489 = 20,345,489/x
  3. Step 3: Cross multiply
    10,302,392x = 20,345,489 × 20,345,489
  4. Step 4: Simplify right side
    10,302,392x = 413,938,922,649,121
  5. Step 5: Solve for x
    x = 413,938,922,649,121/10,302,392
  6. Step 6: Final answer
    x = 40,178,914.05

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.