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Finding the Third Proportional to 40,456,450 and 87,386,688

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Solution

The third proportional to 40,456,450 and 87,386,688 is: 188,756,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456,450 : 87,386,688 = 87,386,688 : x
  2. Step 2: Convert to fraction form
    40,456,450/87,386,688 = 87,386,688/x
  3. Step 3: Cross multiply
    40,456,450x = 87,386,688 × 87,386,688
  4. Step 4: Simplify right side
    40,456,450x = 7,636,433,239,609,344
  5. Step 5: Solve for x
    x = 7,636,433,239,609,344/40,456,450
  6. Step 6: Final answer
    x = 188,756,879.05

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.