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Finding the Third Proportional to 151,623,157 and 216,673,004

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Solution

The third proportional to 151,623,157 and 216,673,004 is: 309,630,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,623,157 : 216,673,004 = 216,673,004 : x
  2. Step 2: Convert to fraction form
    151,623,157/216,673,004 = 216,673,004/x
  3. Step 3: Cross multiply
    151,623,157x = 216,673,004 × 216,673,004
  4. Step 4: Simplify right side
    151,623,157x = 46,947,190,662,384,016
  5. Step 5: Solve for x
    x = 46,947,190,662,384,016/151,623,157
  6. Step 6: Final answer
    x = 309,630,742.37

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.