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Finding the Third Proportional to 1,243,141,458 and 1,864,255,707

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Solution

The third proportional to 1,243,141,458 and 1,864,255,707 is: 2,795,699,008.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,141,458 : 1,864,255,707 = 1,864,255,707 : x
  2. Step 2: Convert to fraction form
    1,243,141,458/1,864,255,707 = 1,864,255,707/x
  3. Step 3: Cross multiply
    1,243,141,458x = 1,864,255,707 × 1,864,255,707
  4. Step 4: Simplify right side
    1,243,141,458x = 3,475,449,341,082,070,016
  5. Step 5: Solve for x
    x = 3,475,449,341,082,070,016/1,243,141,458
  6. Step 6: Final answer
    x = 2,795,699,008.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.