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Finding the Third Proportional to 73,178,757 and 107,744,715

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Solution

The third proportional to 73,178,757 and 107,744,715 is: 158,637,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,178,757 : 107,744,715 = 107,744,715 : x
  2. Step 2: Convert to fraction form
    73,178,757/107,744,715 = 107,744,715/x
  3. Step 3: Cross multiply
    73,178,757x = 107,744,715 × 107,744,715
  4. Step 4: Simplify right side
    73,178,757x = 11,608,923,610,431,224
  5. Step 5: Solve for x
    x = 11,608,923,610,431,224/73,178,757
  6. Step 6: Final answer
    x = 158,637,890.10

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.