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Finding the Third Proportional to 346,479,859.13 and 721,620,626.63

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Solution

The third proportional to 346,479,859.13 and 721,620,626.63 is: 1,502,933,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,479,859.13 : 721,620,626.63 = 721,620,626.63 : x
  2. Step 2: Convert to fraction form
    346,479,859.13/721,620,626.63 = 721,620,626.63/x
  3. Step 3: Cross multiply
    346,479,859.13x = 721,620,626.63 × 721,620,626.63
  4. Step 4: Simplify right side
    346,479,859.13x = 520,736,328,770,657,664
  5. Step 5: Solve for x
    x = 520,736,328,770,657,664/346,479,859.13
  6. Step 6: Final answer
    x = 1,502,933,908.15

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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.