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Finding the Third Proportional to 30,039,456 and 61,671,378

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Solution

The third proportional to 30,039,456 and 61,671,378 is: 126,612,108.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039,456 : 61,671,378 = 61,671,378 : x
  2. Step 2: Convert to fraction form
    30,039,456/61,671,378 = 61,671,378/x
  3. Step 3: Cross multiply
    30,039,456x = 61,671,378 × 61,671,378
  4. Step 4: Simplify right side
    30,039,456x = 3,803,358,864,418,884
  5. Step 5: Solve for x
    x = 3,803,358,864,418,884/30,039,456
  6. Step 6: Final answer
    x = 126,612,108.57

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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.