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Finding the Third Proportional to 630,945 and 1,376,085

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Solution

The third proportional to 630,945 and 1,376,085 is: 3,001,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,945 : 1,376,085 = 1,376,085 : x
  2. Step 2: Convert to fraction form
    630,945/1,376,085 = 1,376,085/x
  3. Step 3: Cross multiply
    630,945x = 1,376,085 × 1,376,085
  4. Step 4: Simplify right side
    630,945x = 1,893,609,927,225
  5. Step 5: Solve for x
    x = 1,893,609,927,225/630,945
  6. Step 6: Final answer
    x = 3,001,228.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.