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Finding the Third Proportional to 343,587 and 513,793.50

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Solution

The third proportional to 343,587 and 513,793.50 is: 768,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,587 : 513,793.50 = 513,793.50 : x
  2. Step 2: Convert to fraction form
    343,587/513,793.50 = 513,793.50/x
  3. Step 3: Cross multiply
    343,587x = 513,793.50 × 513,793.50
  4. Step 4: Simplify right side
    343,587x = 263,983,760,642.25
  5. Step 5: Solve for x
    x = 263,983,760,642.25/343,587
  6. Step 6: Final answer
    x = 768,317.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.