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Finding the Third Proportional to 7,221,024 and 15,686,928

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Solution

The third proportional to 7,221,024 and 15,686,928 is: 34,078,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,024 : 15,686,928 = 15,686,928 : x
  2. Step 2: Convert to fraction form
    7,221,024/15,686,928 = 15,686,928/x
  3. Step 3: Cross multiply
    7,221,024x = 15,686,928 × 15,686,928
  4. Step 4: Simplify right side
    7,221,024x = 246,079,710,077,184
  5. Step 5: Solve for x
    x = 246,079,710,077,184/7,221,024
  6. Step 6: Final answer
    x = 34,078,229.08

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.