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Finding the Third Proportional to 88,636,878 and 136,157,098

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Solution

The third proportional to 88,636,878 and 136,157,098 is: 209,153,974.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,636,878 : 136,157,098 = 136,157,098 : x
  2. Step 2: Convert to fraction form
    88,636,878/136,157,098 = 136,157,098/x
  3. Step 3: Cross multiply
    88,636,878x = 136,157,098 × 136,157,098
  4. Step 4: Simplify right side
    88,636,878x = 18,538,755,335,781,604
  5. Step 5: Solve for x
    x = 18,538,755,335,781,604/88,636,878
  6. Step 6: Final answer
    x = 209,153,974.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.