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Finding the Third Proportional to 111,277,803 and 239,009,670

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Solution

The third proportional to 111,277,803 and 239,009,670 is: 513,360,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,277,803 : 239,009,670 = 239,009,670 : x
  2. Step 2: Convert to fraction form
    111,277,803/239,009,670 = 239,009,670/x
  3. Step 3: Cross multiply
    111,277,803x = 239,009,670 × 239,009,670
  4. Step 4: Simplify right side
    111,277,803x = 57,125,622,353,508,896
  5. Step 5: Solve for x
    x = 57,125,622,353,508,896/111,277,803
  6. Step 6: Final answer
    x = 513,360,443.98

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.