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Finding the Third Proportional to 31,296,768 and 67,221,228

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Solution

The third proportional to 31,296,768 and 67,221,228 is: 144,382,113.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,296,768 : 67,221,228 = 67,221,228 : x
  2. Step 2: Convert to fraction form
    31,296,768/67,221,228 = 67,221,228/x
  3. Step 3: Cross multiply
    31,296,768x = 67,221,228 × 67,221,228
  4. Step 4: Simplify right side
    31,296,768x = 4,518,693,493,827,984
  5. Step 5: Solve for x
    x = 4,518,693,493,827,984/31,296,768
  6. Step 6: Final answer
    x = 144,382,113.00

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.