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Finding the Third Proportional to 38,788,271 and 84,386,689

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Solution

The third proportional to 38,788,271 and 84,386,689 is: 183,589,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,788,271 : 84,386,689 = 84,386,689 : x
  2. Step 2: Convert to fraction form
    38,788,271/84,386,689 = 84,386,689/x
  3. Step 3: Cross multiply
    38,788,271x = 84,386,689 × 84,386,689
  4. Step 4: Simplify right side
    38,788,271x = 7,121,113,280,382,721
  5. Step 5: Solve for x
    x = 7,121,113,280,382,721/38,788,271
  6. Step 6: Final answer
    x = 183,589,345.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.