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Finding the Third Proportional to 68,231,472 and 97,571,802

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Solution

The third proportional to 68,231,472 and 97,571,802 is: 139,528,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,231,472 : 97,571,802 = 97,571,802 : x
  2. Step 2: Convert to fraction form
    68,231,472/97,571,802 = 97,571,802/x
  3. Step 3: Cross multiply
    68,231,472x = 97,571,802 × 97,571,802
  4. Step 4: Simplify right side
    68,231,472x = 9,520,256,545,527,204
  5. Step 5: Solve for x
    x = 9,520,256,545,527,204/68,231,472
  6. Step 6: Final answer
    x = 139,528,816.64

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.