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Finding the Third Proportional to 64,463,040 and 99,962,424

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Solution

The third proportional to 64,463,040 and 99,962,424 is: 155,011,091.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,463,040 : 99,962,424 = 99,962,424 : x
  2. Step 2: Convert to fraction form
    64,463,040/99,962,424 = 99,962,424/x
  3. Step 3: Cross multiply
    64,463,040x = 99,962,424 × 99,962,424
  4. Step 4: Simplify right side
    64,463,040x = 9,992,486,211,955,776
  5. Step 5: Solve for x
    x = 9,992,486,211,955,776/64,463,040
  6. Step 6: Final answer
    x = 155,011,091.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.