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Finding the Third Proportional to 350,487 and 499,486.50

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Solution

The third proportional to 350,487 and 499,486.50 is: 711,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,487 : 499,486.50 = 499,486.50 : x
  2. Step 2: Convert to fraction form
    350,487/499,486.50 = 499,486.50/x
  3. Step 3: Cross multiply
    350,487x = 499,486.50 × 499,486.50
  4. Step 4: Simplify right side
    350,487x = 249,486,763,682.25
  5. Step 5: Solve for x
    x = 249,486,763,682.25/350,487
  6. Step 6: Final answer
    x = 711,828.87

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.