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Finding the Third Proportional to 470,386.50 and 706,639.50

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Solution

The third proportional to 470,386.50 and 706,639.50 is: 1,061,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,386.50 : 706,639.50 = 706,639.50 : x
  2. Step 2: Convert to fraction form
    470,386.50/706,639.50 = 706,639.50/x
  3. Step 3: Cross multiply
    470,386.50x = 706,639.50 × 706,639.50
  4. Step 4: Simplify right side
    470,386.50x = 499,339,382,960.25
  5. Step 5: Solve for x
    x = 499,339,382,960.25/470,386.50
  6. Step 6: Final answer
    x = 1,061,551.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.