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Finding the Third Proportional to 13,369,090 and 20,366,979

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Solution

The third proportional to 13,369,090 and 20,366,979 is: 31,027,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,090 : 20,366,979 = 20,366,979 : x
  2. Step 2: Convert to fraction form
    13,369,090/20,366,979 = 20,366,979/x
  3. Step 3: Cross multiply
    13,369,090x = 20,366,979 × 20,366,979
  4. Step 4: Simplify right side
    13,369,090x = 414,813,833,586,441
  5. Step 5: Solve for x
    x = 414,813,833,586,441/13,369,090
  6. Step 6: Final answer
    x = 31,027,828.64

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.