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Finding the Third Proportional to 4,039,060 and 8,645,620

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Solution

The third proportional to 4,039,060 and 8,645,620 is: 18,505,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039,060 : 8,645,620 = 8,645,620 : x
  2. Step 2: Convert to fraction form
    4,039,060/8,645,620 = 8,645,620/x
  3. Step 3: Cross multiply
    4,039,060x = 8,645,620 × 8,645,620
  4. Step 4: Simplify right side
    4,039,060x = 74,746,745,184,400
  5. Step 5: Solve for x
    x = 74,746,745,184,400/4,039,060
  6. Step 6: Final answer
    x = 18,505,975.45

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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.