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Finding the Third Proportional to 18,267,822 and 39,291,264

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Solution

The third proportional to 18,267,822 and 39,291,264 is: 84,509,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267,822 : 39,291,264 = 39,291,264 : x
  2. Step 2: Convert to fraction form
    18,267,822/39,291,264 = 39,291,264/x
  3. Step 3: Cross multiply
    18,267,822x = 39,291,264 × 39,291,264
  4. Step 4: Simplify right side
    18,267,822x = 1,543,803,426,717,696
  5. Step 5: Solve for x
    x = 1,543,803,426,717,696/18,267,822
  6. Step 6: Final answer
    x = 84,509,441.07

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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.