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Finding the Third Proportional to 4,407,742 and 6,678,276

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Solution

The third proportional to 4,407,742 and 6,678,276 is: 10,118,416.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407,742 : 6,678,276 = 6,678,276 : x
  2. Step 2: Convert to fraction form
    4,407,742/6,678,276 = 6,678,276/x
  3. Step 3: Cross multiply
    4,407,742x = 6,678,276 × 6,678,276
  4. Step 4: Simplify right side
    4,407,742x = 44,599,370,332,176
  5. Step 5: Solve for x
    x = 44,599,370,332,176/4,407,742
  6. Step 6: Final answer
    x = 10,118,416.72

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.