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Finding the Third Proportional to 156,972 and 348,814

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Solution

The third proportional to 156,972 and 348,814 is: 775,114.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,972 : 348,814 = 348,814 : x
  2. Step 2: Convert to fraction form
    156,972/348,814 = 348,814/x
  3. Step 3: Cross multiply
    156,972x = 348,814 × 348,814
  4. Step 4: Simplify right side
    156,972x = 121,671,206,596
  5. Step 5: Solve for x
    x = 121,671,206,596/156,972
  6. Step 6: Final answer
    x = 775,114.08

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.