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Finding the Third Proportional to 18,866,328,348 and 40,382,927,448

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Solution

The third proportional to 18,866,328,348 and 40,382,927,448 is: 86,438,696,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866,328,348 : 40,382,927,448 = 40,382,927,448 : x
  2. Step 2: Convert to fraction form
    18,866,328,348/40,382,927,448 = 40,382,927,448/x
  3. Step 3: Cross multiply
    18,866,328,348x = 40,382,927,448 × 40,382,927,448
  4. Step 4: Simplify right side
    18,866,328,348x = 1,630,780,829,270,431,760,384
  5. Step 5: Solve for x
    x = 1,630,780,829,270,431,760,384/18,866,328,348
  6. Step 6: Final answer
    x = 86,438,696,453.80

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.