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Finding the Third Proportional to 9,128,750 and 19,276,078

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Solution

The third proportional to 9,128,750 and 19,276,078 is: 40,702,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,750 : 19,276,078 = 19,276,078 : x
  2. Step 2: Convert to fraction form
    9,128,750/19,276,078 = 19,276,078/x
  3. Step 3: Cross multiply
    9,128,750x = 19,276,078 × 19,276,078
  4. Step 4: Simplify right side
    9,128,750x = 371,567,183,062,084
  5. Step 5: Solve for x
    x = 371,567,183,062,084/9,128,750
  6. Step 6: Final answer
    x = 40,702,964.05

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.