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Finding the Third Proportional to 27,612,616 and 43,221,656

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Solution

The third proportional to 27,612,616 and 43,221,656 is: 67,654,276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612,616 : 43,221,656 = 43,221,656 : x
  2. Step 2: Convert to fraction form
    27,612,616/43,221,656 = 43,221,656/x
  3. Step 3: Cross multiply
    27,612,616x = 43,221,656 × 43,221,656
  4. Step 4: Simplify right side
    27,612,616x = 1,868,111,547,382,336
  5. Step 5: Solve for x
    x = 1,868,111,547,382,336/27,612,616
  6. Step 6: Final answer
    x = 67,654,276.12

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.