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Finding the Third Proportional to 424,321.88 and 915,073.88

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Solution

The third proportional to 424,321.88 and 915,073.88 is: 1,973,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,321.88 : 915,073.88 = 915,073.88 : x
  2. Step 2: Convert to fraction form
    424,321.88/915,073.88 = 915,073.88/x
  3. Step 3: Cross multiply
    424,321.88x = 915,073.88 × 915,073.88
  4. Step 4: Simplify right side
    424,321.88x = 837,360,196,707.52
  5. Step 5: Solve for x
    x = 837,360,196,707.52/424,321.88
  6. Step 6: Final answer
    x = 1,973,408.03

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.