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Finding the Third Proportional to 913,718.25 and 1,339,409.25

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Solution

The third proportional to 913,718.25 and 1,339,409.25 is: 1,963,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,718.25 : 1,339,409.25 = 1,339,409.25 : x
  2. Step 2: Convert to fraction form
    913,718.25/1,339,409.25 = 1,339,409.25/x
  3. Step 3: Cross multiply
    913,718.25x = 1,339,409.25 × 1,339,409.25
  4. Step 4: Simplify right side
    913,718.25x = 1,794,017,138,985.56
  5. Step 5: Solve for x
    x = 1,794,017,138,985.56/913,718.25
  6. Step 6: Final answer
    x = 1,963,424.87

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.