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Finding the Third Proportional to 720,078 and 1,575,772

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Solution

The third proportional to 720,078 and 1,575,772 is: 3,448,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,078 : 1,575,772 = 1,575,772 : x
  2. Step 2: Convert to fraction form
    720,078/1,575,772 = 1,575,772/x
  3. Step 3: Cross multiply
    720,078x = 1,575,772 × 1,575,772
  4. Step 4: Simplify right side
    720,078x = 2,483,057,395,984
  5. Step 5: Solve for x
    x = 2,483,057,395,984/720,078
  6. Step 6: Final answer
    x = 3,448,317.26

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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.