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Finding the Third Proportional to 9,973,080 and 21,520,800

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Solution

The third proportional to 9,973,080 and 21,520,800 is: 46,439,498.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,973,080 : 21,520,800 = 21,520,800 : x
  2. Step 2: Convert to fraction form
    9,973,080/21,520,800 = 21,520,800/x
  3. Step 3: Cross multiply
    9,973,080x = 21,520,800 × 21,520,800
  4. Step 4: Simplify right side
    9,973,080x = 463,144,832,640,000
  5. Step 5: Solve for x
    x = 463,144,832,640,000/9,973,080
  6. Step 6: Final answer
    x = 46,439,498.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.