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Finding the Third Proportional to 216,925.50 and 470,347.50

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Solution

The third proportional to 216,925.50 and 470,347.50 is: 1,019,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,925.50 : 470,347.50 = 470,347.50 : x
  2. Step 2: Convert to fraction form
    216,925.50/470,347.50 = 470,347.50/x
  3. Step 3: Cross multiply
    216,925.50x = 470,347.50 × 470,347.50
  4. Step 4: Simplify right side
    216,925.50x = 221,226,770,756.25
  5. Step 5: Solve for x
    x = 221,226,770,756.25/216,925.50
  6. Step 6: Final answer
    x = 1,019,828.33

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.