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Finding the Third Proportional to 890,406 and 1,245,537

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Solution

The third proportional to 890,406 and 1,245,537 is: 1,742,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,406 : 1,245,537 = 1,245,537 : x
  2. Step 2: Convert to fraction form
    890,406/1,245,537 = 1,245,537/x
  3. Step 3: Cross multiply
    890,406x = 1,245,537 × 1,245,537
  4. Step 4: Simplify right side
    890,406x = 1,551,362,418,369
  5. Step 5: Solve for x
    x = 1,551,362,418,369/890,406
  6. Step 6: Final answer
    x = 1,742,309.03

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.