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Finding the Third Proportional to 82,984,792 and 121,786,669

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Solution

The third proportional to 82,984,792 and 121,786,669 is: 178,731,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,984,792 : 121,786,669 = 121,786,669 : x
  2. Step 2: Convert to fraction form
    82,984,792/121,786,669 = 121,786,669/x
  3. Step 3: Cross multiply
    82,984,792x = 121,786,669 × 121,786,669
  4. Step 4: Simplify right side
    82,984,792x = 14,831,992,746,115,560
  5. Step 5: Solve for x
    x = 14,831,992,746,115,560/82,984,792
  6. Step 6: Final answer
    x = 178,731,456.56

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.