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Finding the Third Proportional to 915,056 and 1,320,080

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Solution

The third proportional to 915,056 and 1,320,080 is: 1,904,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,056 : 1,320,080 = 1,320,080 : x
  2. Step 2: Convert to fraction form
    915,056/1,320,080 = 1,320,080/x
  3. Step 3: Cross multiply
    915,056x = 1,320,080 × 1,320,080
  4. Step 4: Simplify right side
    915,056x = 1,742,611,206,400
  5. Step 5: Solve for x
    x = 1,742,611,206,400/915,056
  6. Step 6: Final answer
    x = 1,904,376.57

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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.