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Finding the Third Proportional to 215,119,730 and 325,240,707

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Solution

The third proportional to 215,119,730 and 325,240,707 is: 491,733,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,119,730 : 325,240,707 = 325,240,707 : x
  2. Step 2: Convert to fraction form
    215,119,730/325,240,707 = 325,240,707/x
  3. Step 3: Cross multiply
    215,119,730x = 325,240,707 × 325,240,707
  4. Step 4: Simplify right side
    215,119,730x = 105,781,517,489,859,856
  5. Step 5: Solve for x
    x = 105,781,517,489,859,856/215,119,730
  6. Step 6: Final answer
    x = 491,733,219.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.