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Finding the Third Proportional to 667,879,294.50 and 1,039,981,365

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Solution

The third proportional to 667,879,294.50 and 1,039,981,365 is: 1,619,396,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,879,294.50 : 1,039,981,365 = 1,039,981,365 : x
  2. Step 2: Convert to fraction form
    667,879,294.50/1,039,981,365 = 1,039,981,365/x
  3. Step 3: Cross multiply
    667,879,294.50x = 1,039,981,365 × 1,039,981,365
  4. Step 4: Simplify right side
    667,879,294.50x = 1,081,561,239,547,263,232
  5. Step 5: Solve for x
    x = 1,081,561,239,547,263,232/667,879,294.50
  6. Step 6: Final answer
    x = 1,619,396,271.83

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.