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Finding the Third Proportional to 72,572 and 153,953

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Solution

The third proportional to 72,572 and 153,953 is: 326,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,572 : 153,953 = 153,953 : x
  2. Step 2: Convert to fraction form
    72,572/153,953 = 153,953/x
  3. Step 3: Cross multiply
    72,572x = 153,953 × 153,953
  4. Step 4: Simplify right side
    72,572x = 23,701,526,209
  5. Step 5: Solve for x
    x = 23,701,526,209/72,572
  6. Step 6: Final answer
    x = 326,593.26

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.