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Finding the Third Proportional to 302,220 and 661,752

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Solution

The third proportional to 302,220 and 661,752 is: 1,448,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,220 : 661,752 = 661,752 : x
  2. Step 2: Convert to fraction form
    302,220/661,752 = 661,752/x
  3. Step 3: Cross multiply
    302,220x = 661,752 × 661,752
  4. Step 4: Simplify right side
    302,220x = 437,915,709,504
  5. Step 5: Solve for x
    x = 437,915,709,504/302,220
  6. Step 6: Final answer
    x = 1,448,996.46

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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.