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Finding the Third Proportional to 18,961,792 and 28,607,712

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Solution

The third proportional to 18,961,792 and 28,607,712 is: 43,160,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961,792 : 28,607,712 = 28,607,712 : x
  2. Step 2: Convert to fraction form
    18,961,792/28,607,712 = 28,607,712/x
  3. Step 3: Cross multiply
    18,961,792x = 28,607,712 × 28,607,712
  4. Step 4: Simplify right side
    18,961,792x = 818,401,185,874,944
  5. Step 5: Solve for x
    x = 818,401,185,874,944/18,961,792
  6. Step 6: Final answer
    x = 43,160,540.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.