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Finding the Third Proportional to 15,921,156 and 34,820,952

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Solution

The third proportional to 15,921,156 and 34,820,952 is: 76,156,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921,156 : 34,820,952 = 34,820,952 : x
  2. Step 2: Convert to fraction form
    15,921,156/34,820,952 = 34,820,952/x
  3. Step 3: Cross multiply
    15,921,156x = 34,820,952 × 34,820,952
  4. Step 4: Simplify right side
    15,921,156x = 1,212,498,698,186,304
  5. Step 5: Solve for x
    x = 1,212,498,698,186,304/15,921,156
  6. Step 6: Final answer
    x = 76,156,448.58

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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.