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Finding the Third Proportional to 156,422,475 and 236,646,981

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Solution

The third proportional to 156,422,475 and 236,646,981 is: 358,016,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,422,475 : 236,646,981 = 236,646,981 : x
  2. Step 2: Convert to fraction form
    156,422,475/236,646,981 = 236,646,981/x
  3. Step 3: Cross multiply
    156,422,475x = 236,646,981 × 236,646,981
  4. Step 4: Simplify right side
    156,422,475x = 56,001,793,616,414,360
  5. Step 5: Solve for x
    x = 56,001,793,616,414,360/156,422,475
  6. Step 6: Final answer
    x = 358,016,286.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.