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Finding the Third Proportional to 464,397 and 709,900

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Solution

The third proportional to 464,397 and 709,900 is: 1,085,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,397 : 709,900 = 709,900 : x
  2. Step 2: Convert to fraction form
    464,397/709,900 = 709,900/x
  3. Step 3: Cross multiply
    464,397x = 709,900 × 709,900
  4. Step 4: Simplify right side
    464,397x = 503,958,010,000
  5. Step 5: Solve for x
    x = 503,958,010,000/464,397
  6. Step 6: Final answer
    x = 1,085,187.91

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.