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Finding the Third Proportional to 19,144,479 and 40,979,991

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Solution

The third proportional to 19,144,479 and 40,979,991 is: 87,720,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144,479 : 40,979,991 = 40,979,991 : x
  2. Step 2: Convert to fraction form
    19,144,479/40,979,991 = 40,979,991/x
  3. Step 3: Cross multiply
    19,144,479x = 40,979,991 × 40,979,991
  4. Step 4: Simplify right side
    19,144,479x = 1,679,359,662,360,081
  5. Step 5: Solve for x
    x = 1,679,359,662,360,081/19,144,479
  6. Step 6: Final answer
    x = 87,720,311.55

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.