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Finding the Third Proportional to 76,956,210 and 169,303,392

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Solution

The third proportional to 76,956,210 and 169,303,392 is: 372,466,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,956,210 : 169,303,392 = 169,303,392 : x
  2. Step 2: Convert to fraction form
    76,956,210/169,303,392 = 169,303,392/x
  3. Step 3: Cross multiply
    76,956,210x = 169,303,392 × 169,303,392
  4. Step 4: Simplify right side
    76,956,210x = 28,663,638,542,705,664
  5. Step 5: Solve for x
    x = 28,663,638,542,705,664/76,956,210
  6. Step 6: Final answer
    x = 372,466,868.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.