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Finding the Third Proportional to 304,528 and 655,716

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Solution

The third proportional to 304,528 and 655,716 is: 1,411,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,528 : 655,716 = 655,716 : x
  2. Step 2: Convert to fraction form
    304,528/655,716 = 655,716/x
  3. Step 3: Cross multiply
    304,528x = 655,716 × 655,716
  4. Step 4: Simplify right side
    304,528x = 429,963,472,656
  5. Step 5: Solve for x
    x = 429,963,472,656/304,528
  6. Step 6: Final answer
    x = 1,411,901.28

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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.