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Finding the Third Proportional to 306,834.50 and 634,973

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Solution

The third proportional to 306,834.50 and 634,973 is: 1,314,033.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,834.50 : 634,973 = 634,973 : x
  2. Step 2: Convert to fraction form
    306,834.50/634,973 = 634,973/x
  3. Step 3: Cross multiply
    306,834.50x = 634,973 × 634,973
  4. Step 4: Simplify right side
    306,834.50x = 403,190,710,729
  5. Step 5: Solve for x
    x = 403,190,710,729/306,834.50
  6. Step 6: Final answer
    x = 1,314,033.17

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.