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Finding the Third Proportional to 3,132,720 and 6,870,670

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Solution

The third proportional to 3,132,720 and 6,870,670 is: 15,068,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,720 : 6,870,670 = 6,870,670 : x
  2. Step 2: Convert to fraction form
    3,132,720/6,870,670 = 6,870,670/x
  3. Step 3: Cross multiply
    3,132,720x = 6,870,670 × 6,870,670
  4. Step 4: Simplify right side
    3,132,720x = 47,206,106,248,900
  5. Step 5: Solve for x
    x = 47,206,106,248,900/3,132,720
  6. Step 6: Final answer
    x = 15,068,728.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.