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Finding the Third Proportional to 74,786,432 and 111,880,691

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Solution

The third proportional to 74,786,432 and 111,880,691 is: 167,373,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,786,432 : 111,880,691 = 111,880,691 : x
  2. Step 2: Convert to fraction form
    74,786,432/111,880,691 = 111,880,691/x
  3. Step 3: Cross multiply
    74,786,432x = 111,880,691 × 111,880,691
  4. Step 4: Simplify right side
    74,786,432x = 12,517,289,018,637,480
  5. Step 5: Solve for x
    x = 12,517,289,018,637,480/74,786,432
  6. Step 6: Final answer
    x = 167,373,796.07

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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.