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Finding the Third Proportional to 646,700 and 1,334,909

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Solution

The third proportional to 646,700 and 1,334,909 is: 2,755,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,700 : 1,334,909 = 1,334,909 : x
  2. Step 2: Convert to fraction form
    646,700/1,334,909 = 1,334,909/x
  3. Step 3: Cross multiply
    646,700x = 1,334,909 × 1,334,909
  4. Step 4: Simplify right side
    646,700x = 1,781,982,038,281
  5. Step 5: Solve for x
    x = 1,781,982,038,281/646,700
  6. Step 6: Final answer
    x = 2,755,500.29

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.