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Finding the Third Proportional to 450,283 and 684,707.75

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Solution

The third proportional to 450,283 and 684,707.75 is: 1,041,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,283 : 684,707.75 = 684,707.75 : x
  2. Step 2: Convert to fraction form
    450,283/684,707.75 = 684,707.75/x
  3. Step 3: Cross multiply
    450,283x = 684,707.75 × 684,707.75
  4. Step 4: Simplify right side
    450,283x = 468,824,702,910.06
  5. Step 5: Solve for x
    x = 468,824,702,910.06/450,283
  6. Step 6: Final answer
    x = 1,041,177.89

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.