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Finding the Third Proportional to 98,600,858 and 153,870,401

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Solution

The third proportional to 98,600,858 and 153,870,401 is: 240,120,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,600,858 : 153,870,401 = 153,870,401 : x
  2. Step 2: Convert to fraction form
    98,600,858/153,870,401 = 153,870,401/x
  3. Step 3: Cross multiply
    98,600,858x = 153,870,401 × 153,870,401
  4. Step 4: Simplify right side
    98,600,858x = 23,676,100,303,900,800
  5. Step 5: Solve for x
    x = 23,676,100,303,900,800/98,600,858
  6. Step 6: Final answer
    x = 240,120,631.65

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.