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Finding the Third Proportional to 145,997 and 314,484

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Solution

The third proportional to 145,997 and 314,484 is: 677,412.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,997 : 314,484 = 314,484 : x
  2. Step 2: Convert to fraction form
    145,997/314,484 = 314,484/x
  3. Step 3: Cross multiply
    145,997x = 314,484 × 314,484
  4. Step 4: Simplify right side
    145,997x = 98,900,186,256
  5. Step 5: Solve for x
    x = 98,900,186,256/145,997
  6. Step 6: Final answer
    x = 677,412.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.