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Finding the Third Proportional to 79,986,358 and 119,456,330

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Solution

The third proportional to 79,986,358 and 119,456,330 is: 178,403,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,986,358 : 119,456,330 = 119,456,330 : x
  2. Step 2: Convert to fraction form
    79,986,358/119,456,330 = 119,456,330/x
  3. Step 3: Cross multiply
    79,986,358x = 119,456,330 × 119,456,330
  4. Step 4: Simplify right side
    79,986,358x = 14,269,814,777,068,900
  5. Step 5: Solve for x
    x = 14,269,814,777,068,900/79,986,358
  6. Step 6: Final answer
    x = 178,403,106.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.