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Finding the Third Proportional to 3,409,062.19 and 7,358,905.69

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Solution

The third proportional to 3,409,062.19 and 7,358,905.69 is: 15,885,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409,062.19 : 7,358,905.69 = 7,358,905.69 : x
  2. Step 2: Convert to fraction form
    3,409,062.19/7,358,905.69 = 7,358,905.69/x
  3. Step 3: Cross multiply
    3,409,062.19x = 7,358,905.69 × 7,358,905.69
  4. Step 4: Simplify right side
    3,409,062.19x = 54,153,492,917,519.84
  5. Step 5: Solve for x
    x = 54,153,492,917,519.84/3,409,062.19
  6. Step 6: Final answer
    x = 15,885,158.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.