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Finding the Third Proportional to 448,392 and 938,328

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Solution

The third proportional to 448,392 and 938,328 is: 1,963,593.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,392 : 938,328 = 938,328 : x
  2. Step 2: Convert to fraction form
    448,392/938,328 = 938,328/x
  3. Step 3: Cross multiply
    448,392x = 938,328 × 938,328
  4. Step 4: Simplify right side
    448,392x = 880,459,435,584
  5. Step 5: Solve for x
    x = 880,459,435,584/448,392
  6. Step 6: Final answer
    x = 1,963,593.10

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.