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Finding the Third Proportional to 418,459.50 and 906,444

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Solution

The third proportional to 418,459.50 and 906,444 is: 1,963,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,459.50 : 906,444 = 906,444 : x
  2. Step 2: Convert to fraction form
    418,459.50/906,444 = 906,444/x
  3. Step 3: Cross multiply
    418,459.50x = 906,444 × 906,444
  4. Step 4: Simplify right side
    418,459.50x = 821,640,725,136
  5. Step 5: Solve for x
    x = 821,640,725,136/418,459.50
  6. Step 6: Final answer
    x = 1,963,489.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.