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Finding the Third Proportional to 115,490,956 and 156,899,301

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Solution

The third proportional to 115,490,956 and 156,899,301 is: 213,154,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,490,956 : 156,899,301 = 156,899,301 : x
  2. Step 2: Convert to fraction form
    115,490,956/156,899,301 = 156,899,301/x
  3. Step 3: Cross multiply
    115,490,956x = 156,899,301 × 156,899,301
  4. Step 4: Simplify right side
    115,490,956x = 24,617,390,654,288,600
  5. Step 5: Solve for x
    x = 24,617,390,654,288,600/115,490,956
  6. Step 6: Final answer
    x = 213,154,272.05

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.