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Finding the Third Proportional to 7,258,079 and 11,139,015

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Solution

The third proportional to 7,258,079 and 11,139,015 is: 17,095,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258,079 : 11,139,015 = 11,139,015 : x
  2. Step 2: Convert to fraction form
    7,258,079/11,139,015 = 11,139,015/x
  3. Step 3: Cross multiply
    7,258,079x = 11,139,015 × 11,139,015
  4. Step 4: Simplify right side
    7,258,079x = 124,077,655,170,225
  5. Step 5: Solve for x
    x = 124,077,655,170,225/7,258,079
  6. Step 6: Final answer
    x = 17,095,109.49

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.