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Finding the Third Proportional to 891,037 and 1,287,395

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Solution

The third proportional to 891,037 and 1,287,395 is: 1,860,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,037 : 1,287,395 = 1,287,395 : x
  2. Step 2: Convert to fraction form
    891,037/1,287,395 = 1,287,395/x
  3. Step 3: Cross multiply
    891,037x = 1,287,395 × 1,287,395
  4. Step 4: Simplify right side
    891,037x = 1,657,385,886,025
  5. Step 5: Solve for x
    x = 1,657,385,886,025/891,037
  6. Step 6: Final answer
    x = 1,860,064.04

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.