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Finding the Third Proportional to 147,487 and 346,685

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Solution

The third proportional to 147,487 and 346,685 is: 814,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,487 : 346,685 = 346,685 : x
  2. Step 2: Convert to fraction form
    147,487/346,685 = 346,685/x
  3. Step 3: Cross multiply
    147,487x = 346,685 × 346,685
  4. Step 4: Simplify right side
    147,487x = 120,190,489,225
  5. Step 5: Solve for x
    x = 120,190,489,225/147,487
  6. Step 6: Final answer
    x = 814,922.60

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.