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Finding the Third Proportional to 45,479,534 and 69,975,885

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Solution

The third proportional to 45,479,534 and 69,975,885 is: 107,666,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,479,534 : 69,975,885 = 69,975,885 : x
  2. Step 2: Convert to fraction form
    45,479,534/69,975,885 = 69,975,885/x
  3. Step 3: Cross multiply
    45,479,534x = 69,975,885 × 69,975,885
  4. Step 4: Simplify right side
    45,479,534x = 4,896,624,481,533,225
  5. Step 5: Solve for x
    x = 4,896,624,481,533,225/45,479,534
  6. Step 6: Final answer
    x = 107,666,549.12

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.