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Finding the Third Proportional to 16,989,440 and 36,683,632

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Solution

The third proportional to 16,989,440 and 36,683,632 is: 79,207,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989,440 : 36,683,632 = 36,683,632 : x
  2. Step 2: Convert to fraction form
    16,989,440/36,683,632 = 36,683,632/x
  3. Step 3: Cross multiply
    16,989,440x = 36,683,632 × 36,683,632
  4. Step 4: Simplify right side
    16,989,440x = 1,345,688,856,711,424
  5. Step 5: Solve for x
    x = 1,345,688,856,711,424/16,989,440
  6. Step 6: Final answer
    x = 79,207,369.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.