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Finding the Third Proportional to 84,306,168 and 126,459,243

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Solution

The third proportional to 84,306,168 and 126,459,243 is: 189,688,851.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,306,168 : 126,459,243 = 126,459,243 : x
  2. Step 2: Convert to fraction form
    84,306,168/126,459,243 = 126,459,243/x
  3. Step 3: Cross multiply
    84,306,168x = 126,459,243 × 126,459,243
  4. Step 4: Simplify right side
    84,306,168x = 15,991,940,140,133,048
  5. Step 5: Solve for x
    x = 15,991,940,140,133,048/84,306,168
  6. Step 6: Final answer
    x = 189,688,851.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.