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Finding the Third Proportional to 663,249 and 1,421,130

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Solution

The third proportional to 663,249 and 1,421,130 is: 3,045,026.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,249 : 1,421,130 = 1,421,130 : x
  2. Step 2: Convert to fraction form
    663,249/1,421,130 = 1,421,130/x
  3. Step 3: Cross multiply
    663,249x = 1,421,130 × 1,421,130
  4. Step 4: Simplify right side
    663,249x = 2,019,610,476,900
  5. Step 5: Solve for x
    x = 2,019,610,476,900/663,249
  6. Step 6: Final answer
    x = 3,045,026.04

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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.