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Finding the Third Proportional to 202,040 and 316,944

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Solution

The third proportional to 202,040 and 316,944 is: 497,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,040 : 316,944 = 316,944 : x
  2. Step 2: Convert to fraction form
    202,040/316,944 = 316,944/x
  3. Step 3: Cross multiply
    202,040x = 316,944 × 316,944
  4. Step 4: Simplify right side
    202,040x = 100,453,499,136
  5. Step 5: Solve for x
    x = 100,453,499,136/202,040
  6. Step 6: Final answer
    x = 497,196.10

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.