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Finding the Third Proportional to 205,528 and 450,331

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Solution

The third proportional to 205,528 and 450,331 is: 986,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,528 : 450,331 = 450,331 : x
  2. Step 2: Convert to fraction form
    205,528/450,331 = 450,331/x
  3. Step 3: Cross multiply
    205,528x = 450,331 × 450,331
  4. Step 4: Simplify right side
    205,528x = 202,798,009,561
  5. Step 5: Solve for x
    x = 202,798,009,561/205,528
  6. Step 6: Final answer
    x = 986,717.18

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.