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Finding the Third Proportional to 216,603 and 475,051.50

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Solution

The third proportional to 216,603 and 475,051.50 is: 1,041,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,603 : 475,051.50 = 475,051.50 : x
  2. Step 2: Convert to fraction form
    216,603/475,051.50 = 475,051.50/x
  3. Step 3: Cross multiply
    216,603x = 475,051.50 × 475,051.50
  4. Step 4: Simplify right side
    216,603x = 225,673,927,652.25
  5. Step 5: Solve for x
    x = 225,673,927,652.25/216,603
  6. Step 6: Final answer
    x = 1,041,878.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.