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Finding the Third Proportional to 612,703.50 and 915,364.50

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Solution

The third proportional to 612,703.50 and 915,364.50 is: 1,367,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,703.50 : 915,364.50 = 915,364.50 : x
  2. Step 2: Convert to fraction form
    612,703.50/915,364.50 = 915,364.50/x
  3. Step 3: Cross multiply
    612,703.50x = 915,364.50 × 915,364.50
  4. Step 4: Simplify right side
    612,703.50x = 837,892,167,860.25
  5. Step 5: Solve for x
    x = 837,892,167,860.25/612,703.50
  6. Step 6: Final answer
    x = 1,367,532.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.