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Finding the Third Proportional to 4,575,272.63 and 9,859,678.88

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Solution

The third proportional to 4,575,272.63 and 9,859,678.88 is: 21,247,535.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575,272.63 : 9,859,678.88 = 9,859,678.88 : x
  2. Step 2: Convert to fraction form
    4,575,272.63/9,859,678.88 = 9,859,678.88/x
  3. Step 3: Cross multiply
    4,575,272.63x = 9,859,678.88 × 9,859,678.88
  4. Step 4: Simplify right side
    4,575,272.63x = 97,213,267,518,121.27
  5. Step 5: Solve for x
    x = 97,213,267,518,121.27/4,575,272.63
  6. Step 6: Final answer
    x = 21,247,535.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.