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Finding the Third Proportional to 18,528,089 and 40,245,712

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Solution

The third proportional to 18,528,089 and 40,245,712 is: 87,419,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,089 : 40,245,712 = 40,245,712 : x
  2. Step 2: Convert to fraction form
    18,528,089/40,245,712 = 40,245,712/x
  3. Step 3: Cross multiply
    18,528,089x = 40,245,712 × 40,245,712
  4. Step 4: Simplify right side
    18,528,089x = 1,619,717,334,386,944
  5. Step 5: Solve for x
    x = 1,619,717,334,386,944/18,528,089
  6. Step 6: Final answer
    x = 87,419,557.11

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.