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Finding the Third Proportional to 4,016,121.19 and 8,829,402.19

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Solution

The third proportional to 4,016,121.19 and 8,829,402.19 is: 19,411,352.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,016,121.19 : 8,829,402.19 = 8,829,402.19 : x
  2. Step 2: Convert to fraction form
    4,016,121.19/8,829,402.19 = 8,829,402.19/x
  3. Step 3: Cross multiply
    4,016,121.19x = 8,829,402.19 × 8,829,402.19
  4. Step 4: Simplify right side
    4,016,121.19x = 77,958,342,988,629.78
  5. Step 5: Solve for x
    x = 77,958,342,988,629.78/4,016,121.19
  6. Step 6: Final answer
    x = 19,411,352.23

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.