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Finding the Third Proportional to 318,825,439.50 and 520,613,229

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Solution

The third proportional to 318,825,439.50 and 520,613,229 is: 850,114,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,825,439.50 : 520,613,229 = 520,613,229 : x
  2. Step 2: Convert to fraction form
    318,825,439.50/520,613,229 = 520,613,229/x
  3. Step 3: Cross multiply
    318,825,439.50x = 520,613,229 × 520,613,229
  4. Step 4: Simplify right side
    318,825,439.50x = 271,038,134,209,806,432
  5. Step 5: Solve for x
    x = 271,038,134,209,806,432/318,825,439.50
  6. Step 6: Final answer
    x = 850,114,516.07

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.