Home / 1,287,426.38-1,947,709.13

Finding the Third Proportional to 1,287,426.38 and 1,947,709.13

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Solution

The third proportional to 1,287,426.38 and 1,947,709.13 is: 2,946,631.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,426.38 : 1,947,709.13 = 1,947,709.13 : x
  2. Step 2: Convert to fraction form
    1,287,426.38/1,947,709.13 = 1,947,709.13/x
  3. Step 3: Cross multiply
    1,287,426.38x = 1,947,709.13 × 1,947,709.13
  4. Step 4: Simplify right side
    1,287,426.38x = 3,793,570,835,608.27
  5. Step 5: Solve for x
    x = 3,793,570,835,608.27/1,287,426.38
  6. Step 6: Final answer
    x = 2,946,631.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.