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Finding the Third Proportional to 4,039,280 and 8,708,416

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Solution

The third proportional to 4,039,280 and 8,708,416 is: 18,774,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039,280 : 8,708,416 = 8,708,416 : x
  2. Step 2: Convert to fraction form
    4,039,280/8,708,416 = 8,708,416/x
  3. Step 3: Cross multiply
    4,039,280x = 8,708,416 × 8,708,416
  4. Step 4: Simplify right side
    4,039,280x = 75,836,509,229,056
  5. Step 5: Solve for x
    x = 75,836,509,229,056/4,039,280
  6. Step 6: Final answer
    x = 18,774,759.17

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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.