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Finding the Third Proportional to 30,979,634 and 67,332,484

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Solution

The third proportional to 30,979,634 and 67,332,484 is: 146,343,349.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,979,634 : 67,332,484 = 67,332,484 : x
  2. Step 2: Convert to fraction form
    30,979,634/67,332,484 = 67,332,484/x
  3. Step 3: Cross multiply
    30,979,634x = 67,332,484 × 67,332,484
  4. Step 4: Simplify right side
    30,979,634x = 4,533,663,401,610,256
  5. Step 5: Solve for x
    x = 4,533,663,401,610,256/30,979,634
  6. Step 6: Final answer
    x = 146,343,349.36

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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.