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Finding the Third Proportional to 4,455,801.75 and 9,762,987.75

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Solution

The third proportional to 4,455,801.75 and 9,762,987.75 is: 21,391,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455,801.75 : 9,762,987.75 = 9,762,987.75 : x
  2. Step 2: Convert to fraction form
    4,455,801.75/9,762,987.75 = 9,762,987.75/x
  3. Step 3: Cross multiply
    4,455,801.75x = 9,762,987.75 × 9,762,987.75
  4. Step 4: Simplify right side
    4,455,801.75x = 95,315,929,806,650.06
  5. Step 5: Solve for x
    x = 95,315,929,806,650.06/4,455,801.75
  6. Step 6: Final answer
    x = 21,391,420.70

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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.