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Finding the Third Proportional to 916,248 and 1,398,063

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Solution

The third proportional to 916,248 and 1,398,063 is: 2,133,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,248 : 1,398,063 = 1,398,063 : x
  2. Step 2: Convert to fraction form
    916,248/1,398,063 = 1,398,063/x
  3. Step 3: Cross multiply
    916,248x = 1,398,063 × 1,398,063
  4. Step 4: Simplify right side
    916,248x = 1,954,580,151,969
  5. Step 5: Solve for x
    x = 1,954,580,151,969/916,248
  6. Step 6: Final answer
    x = 2,133,243.57

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.