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Finding the Third Proportional to 2,951,219.81 and 4,342,437.84

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Solution

The third proportional to 2,951,219.81 and 4,342,437.84 is: 6,389,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951,219.81 : 4,342,437.84 = 4,342,437.84 : x
  2. Step 2: Convert to fraction form
    2,951,219.81/4,342,437.84 = 4,342,437.84/x
  3. Step 3: Cross multiply
    2,951,219.81x = 4,342,437.84 × 4,342,437.84
  4. Step 4: Simplify right side
    2,951,219.81x = 18,856,766,426,832.15
  5. Step 5: Solve for x
    x = 18,856,766,426,832.15/2,951,219.81
  6. Step 6: Final answer
    x = 6,389,482.19

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.