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Finding the Third Proportional to 515,218 and 1,128,852

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Solution

The third proportional to 515,218 and 1,128,852 is: 2,473,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,218 : 1,128,852 = 1,128,852 : x
  2. Step 2: Convert to fraction form
    515,218/1,128,852 = 1,128,852/x
  3. Step 3: Cross multiply
    515,218x = 1,128,852 × 1,128,852
  4. Step 4: Simplify right side
    515,218x = 1,274,306,837,904
  5. Step 5: Solve for x
    x = 1,274,306,837,904/515,218
  6. Step 6: Final answer
    x = 2,473,335.24

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.