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Finding the Third Proportional to 70,853 and 153,343

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Solution

The third proportional to 70,853 and 153,343 is: 331,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,853 : 153,343 = 153,343 : x
  2. Step 2: Convert to fraction form
    70,853/153,343 = 153,343/x
  3. Step 3: Cross multiply
    70,853x = 153,343 × 153,343
  4. Step 4: Simplify right side
    70,853x = 23,514,075,649
  5. Step 5: Solve for x
    x = 23,514,075,649/70,853
  6. Step 6: Final answer
    x = 331,871.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.