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Finding the Third Proportional to 18,457,065 and 40,387,572

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Solution

The third proportional to 18,457,065 and 40,387,572 is: 88,375,696.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457,065 : 40,387,572 = 40,387,572 : x
  2. Step 2: Convert to fraction form
    18,457,065/40,387,572 = 40,387,572/x
  3. Step 3: Cross multiply
    18,457,065x = 40,387,572 × 40,387,572
  4. Step 4: Simplify right side
    18,457,065x = 1,631,155,972,055,184
  5. Step 5: Solve for x
    x = 1,631,155,972,055,184/18,457,065
  6. Step 6: Final answer
    x = 88,375,696.36

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.