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Finding the Third Proportional to 27,930,620 and 43,348,342

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Solution

The third proportional to 27,930,620 and 43,348,342 is: 67,276,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930,620 : 43,348,342 = 43,348,342 : x
  2. Step 2: Convert to fraction form
    27,930,620/43,348,342 = 43,348,342/x
  3. Step 3: Cross multiply
    27,930,620x = 43,348,342 × 43,348,342
  4. Step 4: Simplify right side
    27,930,620x = 1,879,078,754,148,964
  5. Step 5: Solve for x
    x = 1,879,078,754,148,964/27,930,620
  6. Step 6: Final answer
    x = 67,276,657.45

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.