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Finding the Third Proportional to 9,955,230 and 21,712,548

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Solution

The third proportional to 9,955,230 and 21,712,548 is: 47,355,484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955,230 : 21,712,548 = 21,712,548 : x
  2. Step 2: Convert to fraction form
    9,955,230/21,712,548 = 21,712,548/x
  3. Step 3: Cross multiply
    9,955,230x = 21,712,548 × 21,712,548
  4. Step 4: Simplify right side
    9,955,230x = 471,434,740,652,304
  5. Step 5: Solve for x
    x = 471,434,740,652,304/9,955,230
  6. Step 6: Final answer
    x = 47,355,484.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.