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Finding the Third Proportional to 202,528 and 314,406

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Solution

The third proportional to 202,528 and 314,406 is: 488,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,528 : 314,406 = 314,406 : x
  2. Step 2: Convert to fraction form
    202,528/314,406 = 314,406/x
  3. Step 3: Cross multiply
    202,528x = 314,406 × 314,406
  4. Step 4: Simplify right side
    202,528x = 98,851,132,836
  5. Step 5: Solve for x
    x = 98,851,132,836/202,528
  6. Step 6: Final answer
    x = 488,086.25

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.