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Finding the Third Proportional to 69,078,389.75 and 149,812,063

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Solution

The third proportional to 69,078,389.75 and 149,812,063 is: 324,901,236.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,078,389.75 : 149,812,063 = 149,812,063 : x
  2. Step 2: Convert to fraction form
    69,078,389.75/149,812,063 = 149,812,063/x
  3. Step 3: Cross multiply
    69,078,389.75x = 149,812,063 × 149,812,063
  4. Step 4: Simplify right side
    69,078,389.75x = 22,443,654,220,315,968
  5. Step 5: Solve for x
    x = 22,443,654,220,315,968/69,078,389.75
  6. Step 6: Final answer
    x = 324,901,236.14

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.