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Finding the Third Proportional to 72,195,583.50 and 155,899,971

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Solution

The third proportional to 72,195,583.50 and 155,899,971 is: 336,652,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,195,583.50 : 155,899,971 = 155,899,971 : x
  2. Step 2: Convert to fraction form
    72,195,583.50/155,899,971 = 155,899,971/x
  3. Step 3: Cross multiply
    72,195,583.50x = 155,899,971 × 155,899,971
  4. Step 4: Simplify right side
    72,195,583.50x = 24,304,800,957,800,840
  5. Step 5: Solve for x
    x = 24,304,800,957,800,840/72,195,583.50
  6. Step 6: Final answer
    x = 336,652,185.35

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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.