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Finding the Third Proportional to 213,051,039 and 458,460,927

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Solution

The third proportional to 213,051,039 and 458,460,927 is: 986,554,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,051,039 : 458,460,927 = 458,460,927 : x
  2. Step 2: Convert to fraction form
    213,051,039/458,460,927 = 458,460,927/x
  3. Step 3: Cross multiply
    213,051,039x = 458,460,927 × 458,460,927
  4. Step 4: Simplify right side
    213,051,039x = 210,186,421,585,699,328
  5. Step 5: Solve for x
    x = 210,186,421,585,699,328/213,051,039
  6. Step 6: Final answer
    x = 986,554,313.80

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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.