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Finding the Third Proportional to 80,758,428 and 176,133,558

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Solution

The third proportional to 80,758,428 and 176,133,558 is: 384,146,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,758,428 : 176,133,558 = 176,133,558 : x
  2. Step 2: Convert to fraction form
    80,758,428/176,133,558 = 176,133,558/x
  3. Step 3: Cross multiply
    80,758,428x = 176,133,558 × 176,133,558
  4. Step 4: Simplify right side
    80,758,428x = 31,023,030,253,739,364
  5. Step 5: Solve for x
    x = 31,023,030,253,739,364/80,758,428
  6. Step 6: Final answer
    x = 384,146,039.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.