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Finding the Third Proportional to 403,045 and 879,772

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Solution

The third proportional to 403,045 and 879,772 is: 1,920,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,045 : 879,772 = 879,772 : x
  2. Step 2: Convert to fraction form
    403,045/879,772 = 879,772/x
  3. Step 3: Cross multiply
    403,045x = 879,772 × 879,772
  4. Step 4: Simplify right side
    403,045x = 773,998,771,984
  5. Step 5: Solve for x
    x = 773,998,771,984/403,045
  6. Step 6: Final answer
    x = 1,920,378.05

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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.