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Finding the Third Proportional to 19,958,470.88 and 29,179,979.16

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Solution

The third proportional to 19,958,470.88 and 29,179,979.16 is: 42,662,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958,470.88 : 29,179,979.16 = 29,179,979.16 : x
  2. Step 2: Convert to fraction form
    19,958,470.88/29,179,979.16 = 29,179,979.16/x
  3. Step 3: Cross multiply
    19,958,470.88x = 29,179,979.16 × 29,179,979.16
  4. Step 4: Simplify right side
    19,958,470.88x = 851,471,183,559,184.50
  5. Step 5: Solve for x
    x = 851,471,183,559,184.50/19,958,470.88
  6. Step 6: Final answer
    x = 42,662,145.26

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.