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Finding the Third Proportional to 357,135 and 743,850

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Solution

The third proportional to 357,135 and 743,850 is: 1,549,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,135 : 743,850 = 743,850 : x
  2. Step 2: Convert to fraction form
    357,135/743,850 = 743,850/x
  3. Step 3: Cross multiply
    357,135x = 743,850 × 743,850
  4. Step 4: Simplify right side
    357,135x = 553,312,822,500
  5. Step 5: Solve for x
    x = 553,312,822,500/357,135
  6. Step 6: Final answer
    x = 1,549,309.99

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.