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Finding the Third Proportional to 4,039,270 and 8,708,396

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Solution

The third proportional to 4,039,270 and 8,708,396 is: 18,774,719.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039,270 : 8,708,396 = 8,708,396 : x
  2. Step 2: Convert to fraction form
    4,039,270/8,708,396 = 8,708,396/x
  3. Step 3: Cross multiply
    4,039,270x = 8,708,396 × 8,708,396
  4. Step 4: Simplify right side
    4,039,270x = 75,836,160,892,816
  5. Step 5: Solve for x
    x = 75,836,160,892,816/4,039,270
  6. Step 6: Final answer
    x = 18,774,719.42

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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.