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Finding the Third Proportional to 70,796,536 and 155,642,480

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Solution

The third proportional to 70,796,536 and 155,642,480 is: 342,171,848.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,796,536 : 155,642,480 = 155,642,480 : x
  2. Step 2: Convert to fraction form
    70,796,536/155,642,480 = 155,642,480/x
  3. Step 3: Cross multiply
    70,796,536x = 155,642,480 × 155,642,480
  4. Step 4: Simplify right side
    70,796,536x = 24,224,581,580,550,400
  5. Step 5: Solve for x
    x = 24,224,581,580,550,400/70,796,536
  6. Step 6: Final answer
    x = 342,171,848.36

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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.