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Finding the Third Proportional to 1,543,218 and 3,385,246

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Solution

The third proportional to 1,543,218 and 3,385,246 is: 7,425,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,218 : 3,385,246 = 3,385,246 : x
  2. Step 2: Convert to fraction form
    1,543,218/3,385,246 = 3,385,246/x
  3. Step 3: Cross multiply
    1,543,218x = 3,385,246 × 3,385,246
  4. Step 4: Simplify right side
    1,543,218x = 11,459,890,480,516
  5. Step 5: Solve for x
    x = 11,459,890,480,516/1,543,218
  6. Step 6: Final answer
    x = 7,425,969.94

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.