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Finding the Third Proportional to 15,705,216 and 33,221,178

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Solution

The third proportional to 15,705,216 and 33,221,178 is: 70,272,619.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,705,216 : 33,221,178 = 33,221,178 : x
  2. Step 2: Convert to fraction form
    15,705,216/33,221,178 = 33,221,178/x
  3. Step 3: Cross multiply
    15,705,216x = 33,221,178 × 33,221,178
  4. Step 4: Simplify right side
    15,705,216x = 1,103,646,667,707,684
  5. Step 5: Solve for x
    x = 1,103,646,667,707,684/15,705,216
  6. Step 6: Final answer
    x = 70,272,619.47

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.