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Finding the Third Proportional to 8,346,240 and 18,286,560

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Solution

The third proportional to 8,346,240 and 18,286,560 is: 40,065,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346,240 : 18,286,560 = 18,286,560 : x
  2. Step 2: Convert to fraction form
    8,346,240/18,286,560 = 18,286,560/x
  3. Step 3: Cross multiply
    8,346,240x = 18,286,560 × 18,286,560
  4. Step 4: Simplify right side
    8,346,240x = 334,398,276,633,600
  5. Step 5: Solve for x
    x = 334,398,276,633,600/8,346,240
  6. Step 6: Final answer
    x = 40,065,739.38

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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.