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Finding the Third Proportional to 1,378,186,699 and 2,118,371,933

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Solution

The third proportional to 1,378,186,699 and 2,118,371,933 is: 3,256,089,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,186,699 : 2,118,371,933 = 2,118,371,933 : x
  2. Step 2: Convert to fraction form
    1,378,186,699/2,118,371,933 = 2,118,371,933/x
  3. Step 3: Cross multiply
    1,378,186,699x = 2,118,371,933 × 2,118,371,933
  4. Step 4: Simplify right side
    1,378,186,699x = 4,487,499,646,522,156,544
  5. Step 5: Solve for x
    x = 4,487,499,646,522,156,544/1,378,186,699
  6. Step 6: Final answer
    x = 3,256,089,795.22

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.