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Finding the Third Proportional to 168,622,574 and 390,336,949.50

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Solution

The third proportional to 168,622,574 and 390,336,949.50 is: 903,573,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,622,574 : 390,336,949.50 = 390,336,949.50 : x
  2. Step 2: Convert to fraction form
    168,622,574/390,336,949.50 = 390,336,949.50/x
  3. Step 3: Cross multiply
    168,622,574x = 390,336,949.50 × 390,336,949.50
  4. Step 4: Simplify right side
    168,622,574x = 152,362,934,144,965,536
  5. Step 5: Solve for x
    x = 152,362,934,144,965,536/168,622,574
  6. Step 6: Final answer
    x = 903,573,765.54

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.