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Finding the Third Proportional to 127,478,082.50 and 281,752,409

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Solution

The third proportional to 127,478,082.50 and 281,752,409 is: 622,729,950.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,478,082.50 : 281,752,409 = 281,752,409 : x
  2. Step 2: Convert to fraction form
    127,478,082.50/281,752,409 = 281,752,409/x
  3. Step 3: Cross multiply
    127,478,082.50x = 281,752,409 × 281,752,409
  4. Step 4: Simplify right side
    127,478,082.50x = 79,384,419,977,303,280
  5. Step 5: Solve for x
    x = 79,384,419,977,303,280/127,478,082.50
  6. Step 6: Final answer
    x = 622,729,950.28

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.