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Finding the Third Proportional to 497,272 and 764,784

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Solution

The third proportional to 497,272 and 764,784 is: 1,176,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,272 : 764,784 = 764,784 : x
  2. Step 2: Convert to fraction form
    497,272/764,784 = 764,784/x
  3. Step 3: Cross multiply
    497,272x = 764,784 × 764,784
  4. Step 4: Simplify right side
    497,272x = 584,894,566,656
  5. Step 5: Solve for x
    x = 584,894,566,656/497,272
  6. Step 6: Final answer
    x = 1,176,206.52

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.