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Finding the Third Proportional to 7,911,612 and 16,242,640

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Solution

The third proportional to 7,911,612 and 16,242,640 is: 33,346,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911,612 : 16,242,640 = 16,242,640 : x
  2. Step 2: Convert to fraction form
    7,911,612/16,242,640 = 16,242,640/x
  3. Step 3: Cross multiply
    7,911,612x = 16,242,640 × 16,242,640
  4. Step 4: Simplify right side
    7,911,612x = 263,823,354,169,600
  5. Step 5: Solve for x
    x = 263,823,354,169,600/7,911,612
  6. Step 6: Final answer
    x = 33,346,346.38

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.