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Finding the Third Proportional to 509,440 and 1,107,360

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Solution

The third proportional to 509,440 and 1,107,360 is: 2,407,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,440 : 1,107,360 = 1,107,360 : x
  2. Step 2: Convert to fraction form
    509,440/1,107,360 = 1,107,360/x
  3. Step 3: Cross multiply
    509,440x = 1,107,360 × 1,107,360
  4. Step 4: Simplify right side
    509,440x = 1,226,246,169,600
  5. Step 5: Solve for x
    x = 1,226,246,169,600/509,440
  6. Step 6: Final answer
    x = 2,407,047.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.