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Finding the Third Proportional to 623,689.88 and 1,340,551.27

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Solution

The third proportional to 623,689.88 and 1,340,551.27 is: 2,881,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,689.88 : 1,340,551.27 = 1,340,551.27 : x
  2. Step 2: Convert to fraction form
    623,689.88/1,340,551.27 = 1,340,551.27/x
  3. Step 3: Cross multiply
    623,689.88x = 1,340,551.27 × 1,340,551.27
  4. Step 4: Simplify right side
    623,689.88x = 1,797,077,695,768.79
  5. Step 5: Solve for x
    x = 1,797,077,695,768.79/623,689.88
  6. Step 6: Final answer
    x = 2,881,364.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.