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Finding the Third Proportional to 406,416 and 603,750

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Solution

The third proportional to 406,416 and 603,750 is: 896,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,416 : 603,750 = 603,750 : x
  2. Step 2: Convert to fraction form
    406,416/603,750 = 603,750/x
  3. Step 3: Cross multiply
    406,416x = 603,750 × 603,750
  4. Step 4: Simplify right side
    406,416x = 364,514,062,500
  5. Step 5: Solve for x
    x = 364,514,062,500/406,416
  6. Step 6: Final answer
    x = 896,898.90

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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.