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Finding the Third Proportional to 304,534 and 655,728

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Solution

The third proportional to 304,534 and 655,728 is: 1,411,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,534 : 655,728 = 655,728 : x
  2. Step 2: Convert to fraction form
    304,534/655,728 = 655,728/x
  3. Step 3: Cross multiply
    304,534x = 655,728 × 655,728
  4. Step 4: Simplify right side
    304,534x = 429,979,209,984
  5. Step 5: Solve for x
    x = 429,979,209,984/304,534
  6. Step 6: Final answer
    x = 1,411,925.14

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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.