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Finding the Third Proportional to 156,422,399 and 236,646,881

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Solution

The third proportional to 156,422,399 and 236,646,881 is: 358,016,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,422,399 : 236,646,881 = 236,646,881 : x
  2. Step 2: Convert to fraction form
    156,422,399/236,646,881 = 236,646,881/x
  3. Step 3: Cross multiply
    156,422,399x = 236,646,881 × 236,646,881
  4. Step 4: Simplify right side
    156,422,399x = 56,001,746,287,028,160
  5. Step 5: Solve for x
    x = 56,001,746,287,028,160/156,422,399
  6. Step 6: Final answer
    x = 358,016,157.82

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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.