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Finding the Third Proportional to 4,039,725 and 8,639,320.50

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Solution

The third proportional to 4,039,725 and 8,639,320.50 is: 18,475,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039,725 : 8,639,320.50 = 8,639,320.50 : x
  2. Step 2: Convert to fraction form
    4,039,725/8,639,320.50 = 8,639,320.50/x
  3. Step 3: Cross multiply
    4,039,725x = 8,639,320.50 × 8,639,320.50
  4. Step 4: Simplify right side
    4,039,725x = 74,637,858,701,720.25
  5. Step 5: Solve for x
    x = 74,637,858,701,720.25/4,039,725
  6. Step 6: Final answer
    x = 18,475,975.15

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.